CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Treasury Stock	Comprehensive Income
Balance at Dec. 31, 2011
Increase (Decrease) in Stockholders' Equity
Revision (in shares) (Restatement adjustment)		(430,000)
Revision (Restatement adjustment)		$ (4)	$ 4
Balance at Dec. 31, 2012 (As previously reported)	82,922	126	903,688	(811,480)	(9,412)
Balance (in shares) at Dec. 31, 2012 (As previously reported)		12,625,000			1,188,000
Balance at Dec. 31, 2012	82,922	122	903,692	(811,480)	(9,412)
Balance (in shares) at Dec. 31, 2012		12,195,000			1,188,000
Comprehensive income:
Net income for the nine months ended September 30, 2013				4,149		4,149
Comprehensive income						4,149
Non-cash compensation	4,280		4,280
Purchase of treasury stock	(3,321)				(3,321)
Purchase of treasury stock (in shares)	180,453				181,000
Dividends	618		618
Issuance of common stock upon exercise of stock options and vesting of restricted stock units, net of withholding taxes	(2,015)	3	(2,018)
Issuance of common stock upon exercise of stock options and vesting of restricted stock units, net of withholding taxes (in shares)		310,000
Balance at Sep. 30, 2013	$ 86,633	$ 125	$ 906,572	$ (807,331)	$ (12,733)
Balance (in shares) at Sep. 30, 2013		12,505,000			1,369,000