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Condensed Consolidated Statements of Changes in Equity (Unaudited) - USD ($)
$ in Thousands
Common Stock
Additional Paid-In Capital [Member]
Retained Earnings / Accumulated Deficit [Member]
Treasury Stock [Member]
Total
Beginning Balance at Dec. 31, 2015 $ 63 $ 135,839 $ (120,621) $ (13,754) $ 1,527
Beginning Balance (in shares) at Dec. 31, 2015 6,263,975     1,005,092  
Net loss     (359)    
Stock based compensation   449     449
Issuance of shares - stock purchase, shares 3,750,000        
Issuance of shares - stock purchase, value $ 37 2,700     2,737
Costs of stock purchase   (201)     (201)
Issuance of shares - option exercises, shares 12,161        
Issuance of shares - option exercises, value   7     7
Purchase of common stock for treasury, shares       10,401  
Purchase of common stock for treasury, value       $ (10) (10)
Ending Balance at Dec. 31, 2016 $ 100 138,794 (120,980) $ (13,764) 4,150
Ending Balance (in shares) at Dec. 31, 2016 10,026,136     1,015,493  
Net loss     (413)   (413)
Stock based compensation   23     23
Costs of stock purchase   (7)     (7)
Issuance of shares - option exercises, shares 40,065        
Issuance of shares - option exercises, value $ 1 23     24
Ending Balance at Mar. 31, 2017 $ 101 $ 138,833 $ (121,393) $ (13,764) $ 3,777
Ending Balance (in shares) at Mar. 31, 2017 10,066,201     1,015,493