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Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock
Treasury Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Income
Accumulated Deficit
Balance at Dec. 31, 2016 $ 11,118 $ 8 $ (863) $ 12,613 $ (2) $ (638)
Balance, shares at Dec. 31, 2016   8,335,968        
Common stock issued to ESPP 13     13    
Common stock issued to ESPP, shares   7,151        
Common stock issued for accrued dividends on preferred stock 150     150    
Common stock issued for accrued dividends on preferred stock, shares   82,268        
Common stock issued as payment of preferred stock   $ 1   (1)    
Common stock issued as payment of preferred stock, shares   164,535        
Accretion of discount on preferred stock (56)     (56)    
Treasury stock purchase, Value (53)   (53)      
Treasury stock purchase, Shares   (17,342)        
Restricted stock units 371     371    
Restricted stock units, shares   97,070        
Net loss (2,228)         (2,228)
Warrants issued as part of debt refinancing 365     365    
Other comprehensive income 403       403  
Balance at Dec. 31, 2017 10,083 $ 9 (916) 13,455 401 (2,866)
Balance, shares at Dec. 31, 2017   8,669,650        
Common stock issued to ESPP 10     10    
Common stock issued to ESPP, shares   7,614        
Common stock issued as payment of preferred stock, shares   281,858        
Accretion of discount on preferred stock (60)     (60)    
Treasury stock purchase, Value (49)   (49)      
Treasury stock purchase, Shares   (44,726)        
Restricted stock units 609     609    
Restricted stock units, shares   304,874        
Net loss (2,557)         (2,557)
Other comprehensive income (818)       (818)  
Balance at Dec. 31, 2018 $ 7,218 $ 9 $ (965) $ 14,014 $ (417) $ (5,423)
Balance, shares at Dec. 31, 2018   9,219,270