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Stock-Based Compensation (Details Narrative) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Stock-based compensation expense     $ 223 $ 218
Stock purchased from proceeds of options exercised 20,000 26,000 35,000 42,000
Number of options exercised 0   0  
Option issued to purchase number of additional common stock       44,000
Cash payments for exercise option   $ 3   $ 7
Options issued to purchase of common stock, numbers     44  
Net-Exercise Arrangement [Member]        
Stock purchased from proceeds of options exercised   960,000   1,600,000
Number of options exercised   960,000   1,600,000
Option issued to purchase number of additional common stock   190,000   360,000
Cash payments for exercise option   $ 1   $ 1
Selling, General and Administrative Expenses [Member]        
Stock-based compensation expense $ 110 $ 119 $ 223 $ 218
2010 Plan [Member]        
Stock options granted     240,000  
Shares authorized under plan 126,000   126,000  
2014 Plan [Member]        
Stock options granted     85,000