| Schedule of segment reporting information | 
 
		
			
				| 
					 
						  
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				| 
					 
						  
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						Three months ended March 31, 
				 | 
			 
			
				| 
					 
						  
				 | 
				
					 
						   
				 | 
				
					 
						2019 
				 | 
				
					 
						   
				 | 
				
					 
						2018 
				 | 
			 
			
				| 
					 
						Revenue: 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Lifeboat Distribution 
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
					 
						 40,055 
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
					 
						 36,838 
				 | 
			 
			
				| 
					 
						TechXtend 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 4,803 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 3,714 
				 | 
			 
			
				| 
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 44,858 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 40,552 
				 | 
			 
			
				| 
					 
						Gross Profit: 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Lifeboat Distribution 
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
					 
						 6,198 
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
					 
						 6,184 
				 | 
			 
			
				| 
					 
						TechXtend 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 1,036 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 710 
				 | 
			 
			
				| 
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 7,234 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 6,894 
				 | 
			 
			
				| 
					 
						Direct Costs: 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Lifeboat Distribution 
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
					 
						 2,484 
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
					 
						 2,035 
				 | 
			 
			
				| 
					 
						TechXtend 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 437 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 400 
				 | 
			 
			
				| 
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 2,921 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 2,435 
				 | 
			 
			
				| 
					 
						Segment Income Before Taxes: (1) 
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				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Lifeboat Distribution 
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
					 
						 3,714 
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
					 
						 4,149 
				 | 
			 
			
				| 
					 
						TechXtend 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 599 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 310 
				 | 
			 
			
				| 
					 
						Segment Income Before Taxes 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 4,313 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 4,459 
				 | 
			 
			
				| 
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						General and administrative  
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
					 
						 2,594 
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
					 
						 2,612 
				 | 
			 
			
				| 
					 
						Interest, net 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 169 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 238 
				 | 
			 
			
				| 
					 
						Foreign currency transaction gains 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 62 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  2 
				 | 
			 
			
				| 
					 
						Income before taxes 
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
					 
						 1,950 
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
					 
						 2,087 
				 | 
			 
			
				| 
					 
						  
				 | 
				
					 
						  
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				 | 
				
					 
						  
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				 | 
				
					 
						  
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				 | 
			 
		  
		
			 
		 
		
			(1) Excludes general corporate expenses including interest and foreign currency translation expenses.
		 
		
			 
		 
		
			
				| 
					 
						  
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				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						  
				 | 
				
					 
						     
				 | 
				
					 
						(Unaudited) 
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				 | 
				
					 
						  
				 | 
				
					 
						     
				 | 
			 
			
				| 
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						As of 
				 | 
				
					 
						  
				 | 
				
					 
						As of  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						March 31, 
				 | 
				
					 
						  
				 | 
				
					 
						December 31, 
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Selected Assets by Segment: 
				 | 
				
					 
						  
				 | 
				
					 
						2019 
				 | 
				
					 
						  
				 | 
				
					 
						2018 
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Lifeboat Distribution 
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
					 
						 79,232 
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
					 
						 77,610 
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						TechXtend 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 11,305 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 11,542 
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Segment Select Assets  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 90,537 
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				 | 
				
					 
						  
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						 89,152 
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				| 
					 
						Corporate Assets 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 20,627 
				 | 
				
					 
						  
				 | 
				
					 
						  
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						 18,819 
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Total Assets  
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
					 
						 111,164 
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
					 
						 107,971 
				 | 
				
					 
						  
				 | 
			 
		  
		
			 
		 
		
			 
		 
   
 | 
| Summary of disaggregation of segment revenue | 
 
		
			
				| 
					 
						  
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				 | 
				
					 
						  
				 | 
				
					 
						  
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				| 
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						(Unaudited) 
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Disaggregation of Revenue: 
				 | 
				
					 
						  
				 | 
				
					 
						March 31,  
				 | 
				
					 
						  
				 | 
				
					 
						March 31,  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						2019 
				 | 
				
					 
						  
				 | 
				
					 
						2018 
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Lifeboat Distribution 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Hardware, software and other products 
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
35,853
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
32,423
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Software - security & highly interdependent with support 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
1,836
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
2,086
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Maintenance, support & other services 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
2,366
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
2,329
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Net Sales 
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
40,055
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
36,838
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						TechXtend  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Hardware, software and other products 
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
4,337
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
					 
						 3,439 
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Software - security & highly interdependent with support 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
56
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 17 
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Maintenance, support & other services 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
410
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						 258 
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Net Sales 
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
4,803
				 | 
				
					 
						  
				 | 
				
					 
						$ 
				 | 
				
3,714
				 | 
				
					 
						  
				 | 
			 
		  
		
			 
		 
   
 |