Stockholders' Equity and Stock Based Compensation (Tables)
|6 Months Ended|
Jun. 30, 2018
|Stockholders' Equity and Stock Based Compensation|
|Summary of nonvested shares of Restricted Stock awards outstanding and the changes during the period||
Tabular disclosure of the changes in outstanding nonvested shares.
Reference 1: http://www.xbrl.org/2003/role/presentationRef