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CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
shares in Thousands, $ in Thousands
Total
Preferred Stock
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Beginning balance, amount at Dec. 31, 2015 $ 23,404 $ 2 $ 27 $ 42,859 $ (19,484)
Beginning balance (in shares) at Dec. 31, 2015   1,976 27,051    
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock based compensation 176     176  
Net loss (1,944)       (1,944)
Ending balance, amount at Mar. 31, 2016 21,636 $ 2 $ 27 43,035 (21,428)
Ending balance (in shares) at Mar. 31, 2016   1,976 27,051    
Beginning balance, amount at Dec. 31, 2016 26,223 $ 1 $ 31 49,625 (23,434)
Beginning balance (in shares) at Dec. 31, 2016   976 30,860    
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock based compensation 159     159  
Net loss (1,685)       (1,685)
Ending balance, amount at Mar. 31, 2017 $ 24,697 $ 1 $ 31 $ 49,784 $ (25,119)
Ending balance (in shares) at Mar. 31, 2017   976 30,860