Consolidated Statements of Stockholders' Equity - 6 months ended Jun. 30, 2016 - USD ($) $ in Thousands	Common Stock	Additional Paid-in-Capital	Accumulated Other Comprehensive Income	Treasury Stock	Accumulated Deficit	Total
Balance at Dec. 31, 2015	$ 1,806	$ 1,118,917	$ 798	$ (2,909)	$ (993,876)	$ 124,736
Balance (in shares) at Dec. 31, 2015	180,567,444			479,953		180,567,444
Increase (Decrease) in Stockholders' Equity
Net loss attributable to the Company					(24,882)	$ (24,882)
Other comprehensive income			294			294
Stock based compensation		4,377				4,377
Stock based compensation (in shares)	46,974
Stock dividend		52			(52)
Stock dividend (in shares)	28,061
Stock option exercises	$ 1	18				19
Stock option exercises (in shares)	50,000
Exercise of warrants	$ 1	251				252
Exercise of warrants (in shares)	119,879
Balance at Jun. 30, 2016	$ 1,808	$ 1,123,615	$ 1,092	$ (2,909)	$ (1,018,810)	$ 104,796
Balance (in shares) at Jun. 30, 2016	180,812,358			479,953		180,812,358