Related Party Transactions  | 
12 Months Ended | 
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Dec. 31, 2019  | |
| Related Party Transactions [Abstract] | |
| Related Party Transactions Disclosure [Text Block] | 
 
 11. Related Party Transactions 
 The Company made sales to a customer where a member of our Board of Directors is an executive. During the years ended December 31, 2019 and 2018, net sales to this customer totaled $0.1 million, respectively, and amounts due from this customer as of December 31, 2019 and 2018 totaled $0.1 million, respectively, which were settled in cash subsequent to each year end.  | 
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- References No definition available. 
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- Definition The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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