Quarterly report pursuant to Section 13 or 15(d)

Bank Debt (Details Textual)

v3.7.0.1
Bank Debt (Details Textual)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2017
USD ($)
Employees
Jun. 30, 2016
USD ($)
Bank Debt (Textual)        
Number of lines of credit | Employees     2  
Interest expense associated with bank debt $ 4 $ 3 $ 7 $ 5
Two lines of credit, monthly principal and interest, ranging from $0 to $1, average interest of 8.4%, guaranteed personally by former owners of subsidiary, maturing July 2018 [Member]        
Bank Debt (Textual)        
Weighted average interest rate on bank debt 8.40%   8.40%  
Maturity period of debt     July 2018  
Two lines of credit, monthly principal and interest, ranging from $0 to $1, average interest of 8.4%, guaranteed personally by former owners of subsidiary, maturing July 2018 [Member] | Minimum [Member]        
Bank Debt (Textual)        
Notes payable monthly principle and interest     $ 0  
Two lines of credit, monthly principal and interest, ranging from $0 to $1, average interest of 8.4%, guaranteed personally by former owners of subsidiary, maturing July 2018 [Member] | Maximum [Member]        
Bank Debt (Textual)        
Notes payable monthly principle and interest     1  
Equipment finance agreement, monthly principal of $1, maturing February 2020 [Member]        
Bank Debt (Textual)        
Notes payable monthly principle and interest     $ 1  
Maturity period of debt     February 2020