Condensed Consolidated Statements Shareholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Accumulated Deficit [Member]	Accumulated other comprehensive income/(loss) [Member]	Total
Balances, beginning of period at Dec. 31, 2013	$ 436,957	$ (393,885)	$ (59)	$ 43,013
Balances, end of period (in shares) at Dec. 31, 2013	82,275,217
Shares issued (RSUs vested) (in shares)	115,000
Stock-based compensation	$ 1,126			1,126
Other comprehensive loss			70	70
Net loss		(18,926)		(18,926)
Balances, end of period at Dec. 31, 2014	$ 438,083	(412,811)	11	25,283
Balances, end of period (in shares) at Dec. 31, 2014	82,390,217
Stock-based compensation	$ 817			817
Other comprehensive loss			(46)	(46)
Net loss		1,011		1,011
Balances, end of period at Dec. 31, 2015	$ 438,900	$ (411,800)	$ (35)	$ 27,065
Balances, end of period (in shares) at Dec. 31, 2015	82,883,562