CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock [Member]	Additional Paid-In Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Total
BALANCE at Dec. 31, 2011	$ 188	$ 97,972	$ (250)	$ 12,813	$ 2	$ 110,725
BALANCE (in shares) at Dec. 31, 2011	18,821,728					18,821,728
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of warrants to consultants for services	0	98	0	0	0	98
Stock-based compensation - grants of common stock	0	405	0	0	0	405
Stock-based compensation - grant of common stock (in shares)	30,000
Stock-based compensation related to stock options and restricted stock	0	4,329	0	0	0	4,329
Stock options issued to consultants for services	0	83	0	0	0	83
Issuance of common stock, net	30	37,484	0	0	0	37,514
Issuance of common stock, net (in shares)	3,023,432
Repurchase and retirement of common stock	(4)	(5,338)				(5,342)
Repurchase and retirement of common stock (in shares)	(424,244)
Options exercised	0	54	0	0	0	54
Options exercised (in shares)	7,964
Warrants exercised	1	133	0	0	0	134
Warrants exercised (in shares)	17,756
Other comprehensive income (loss)	0	0	0	0	865	865
Net income (loss)	0	0	0	16,595	0	16,595
BALANCE at Sep. 30, 2012	$ 215	$ 135,220	$ (250)	$ 29,408	$ 867	$ 165,460
BALANCE (in shares) at Sep. 30, 2012	21,476,636					21,476,636