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CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (USD $)
In Thousands, except Share data
Preferred Stock [Member]
Common Stock [Member]
Additional Paid-In Capital [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Total
Balance at Dec. 31, 2011 $ 6 $ 271 $ 278,408 $ (235,745) $ 0 $ 42,940
Balance (in shares) at Dec. 31, 2011 592 27,117,450        
Issuance of common stock 0 19 3,135 0 0 3,154
Issuance of common stock (in shares) 0 1,800,000        
Exercise of options 0 0 14 0 0 14
Exercise of options (in shares) 0 27,778        
Issuance of options 0 0 1,131 0 0 1,131
Compensation cost related to stock options 0 0 593 0 0 593
Comprehensive loss 0 0 0 (1,813) (7) (1,820)
Balance at Dec. 31, 2012 6 290 283,281 (237,558) (7) 46,012
Balance (in shares) at Dec. 31, 2012 592 28,945,228        
Issuance of options           0
Compensation cost related to stock options 0 0 160 0 0 160
Comprehensive loss 0 0 0 (647) (7) (654)
Balance at Mar. 31, 2013 $ 6 $ 290 $ 283,441 $ (238,205) $ (14) $ 45,518
Balance (in shares) at Mar. 31, 2013 592 28,945,228