Consolidated Statements Of Shareholders' Equity (USD $)
In Thousands
Common Shares [Member]
Additional Paid In Capital [Member]
Treasury Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Deficit [Member]
Total
Balance at Dec. 31, 2009   $ 63,012 $ (5,213)   $ (15,762) $ 42,037
Balance, shares at Dec. 31, 2009 16,308          
Issuance of shares in lieu of cash for board fees   77       77
Issuance of shares in lieu of cash for board fees, shares 16          
Issuance of shares in connection with employee stock option plans   189       189
Issuance of shares in connection with employee stock option plans, shares 39          
Repurchase of warrants   (117)       (117)
Retirement of treasury shares     (25)     (25)
Share based compensation   938       938
Net income (loss)         (380) (380)
Balance at Dec. 31, 2010   64,099 (5,238)   (16,142) 42,719
Balance, shares at Dec. 31, 2010 16,363          
Issuance of shares in lieu of cash for board fees   59       59
Issuance of shares in lieu of cash for board fees, shares 7          
Issuance of shares in connection with employee stock option plans   365       365
Issuance of shares in connection with employee stock option plans, shares 71          
Issuance of restricted shares for restricted awards   281       281
Issuance of restricted shares for restricted awards, shares 50          
Issuance of shares for exercise of warrants   879       879
Issuance of shares for exercise of warrants, shares 200          
Purchase of treasury shares     (2,898)     (2,898)
Share based compensation   951       951
Translation adjustment       (13)   (13)
Net income (loss)         1,854 1,854
Balance at Dec. 31, 2011   66,634 (8,136) (13) (14,288) 44,197
Balance, shares at Dec. 31, 2011 16,691          
Issuance of shares in lieu of cash for board fees   29       29
Issuance of shares in lieu of cash for board fees, shares 3          
Issuance of shares in connection with employee stock option plans   560       560
Issuance of shares in connection with employee stock option plans, shares 336          
Value of shares retained to pay employee taxes on cashless exercises of share-based awards   (1,202)       (1,202)
Issuance of restricted shares for restricted awards   242       242
Issuance of restricted shares for restricted awards, shares 54          
Issuance of shares for exercise of warrants   187       187
Issuance of shares for exercise of warrants, shares 45          
Share based compensation   1,146       1,146
Issuance of shares in connection with acquisition   476       476
Issuance of shares in connection with acquisition, shares 42          
Translation adjustment       5   5
Net income (loss)         7,165 7,165
Balance at Dec. 31, 2012   $ 68,072 $ (8,136) $ (8) $ (7,123) $ 52,805
Balance, shares at Dec. 31, 2012 17,171