CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - 6 months ended Jun. 30, 2015 - USD ($) $ in Thousands	Total	Series B and C Preferred stock [Member]	Common stock [Member]	Retained earnings (accumulated deficit) [Member]	Accumulated other comprehensive income (loss) [Member]
Beginning Balance at Dec. 31, 2014	$ 119,281	$ 11,677	$ 131,181	$ (22,885)	$ (692)
Beginning Balance (in shares) at Dec. 31, 2014		141,000	19,463,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of restricted stock, net			95,000
Tax effect from vesting of restricted stock	(23)		$ (23)
Tax effect from vesting of restricted stock (in shares)			(4,000)
Series C Preferred Stock issued as a stock dividend on Series B Preferred Stock		$ 593		(593)
Series C Preferred Stock issued as a stock dividend on Series B Preferred Stock (in shares)		6,000
Common stock based compensation expense	683		$ 683
Common stock options exercised	$ 1,241		$ 1,241
Common stock options exercised (in shares)	226,564		226,000
Net income	$ 54			54
Other comprehensive loss	(139)				(139)
Ending Balance at Jun. 30, 2015	$ 121,097	$ 12,270	$ 133,082	$ (23,424)	$ (831)
Ending Balance (in shares) at Jun. 30, 2015		147,000	19,780,000