Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Deficit [Member]	Noncontrolling Interest [Member]
Common Stock, Shares, Issued at Dec. 31, 2012		(4,627,000)	(322,000)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Dec. 31, 2012	$ 83,795	$ 46	$ (28,130)	$ 353,006	$ 509	$ (243,233)	$ 1,597
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Release of performance shares, Shares		49,000
Release of performance shares, value	0	$ 1		(1)
Stock Received for Payment of Employee Taxes on Vesting of Performance Shares and Upon Exercise of Stock Options Shares		(19,000)
Stock Received for Payment of Employee Taxes on Vesting of Performance Shares and Upon Exercise of Stock Options	(444)	$ 0		(444)
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	2,538			2,538
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	506				506
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax	0				0
Net Income (Loss) Attributable to Parent	(17,610)
Net loss including non-controlling interest	(18,418)					(17,610)	(808)
Fair value of stock issued in connection with acquisition	0
Common Stock, Shares, Issued at Dec. 31, 2013		(4,657,000)	(322,000)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Dec. 31, 2013	67,977	$ 47	$ (28,130)	355,099	1,015	(260,843)	789
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Shares, Other		0
Stock Issued During Period, Value, Stock Options Exercised	17	$ 0		17
Release of performance shares, Shares		46,000
Release of performance shares, value	0	$ 0		0
Stock Received for Payment of Employee Taxes on Vesting of Performance Shares and Upon Exercise of Stock Options Shares		(17,000)
Stock Received for Payment of Employee Taxes on Vesting of Performance Shares and Upon Exercise of Stock Options	(422)	$ 0		(422)
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	1,197			1,197
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	(1,431)				(1,431)
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax	(15)				(15)
Net Income (Loss) Attributable to Parent	(24,326)
Net loss including non-controlling interest	(24,861)					(24,326)	(535)
Stock Issued During Period, Shares, Acquisitions		34,000
Fair value of stock issued in connection with acquisition	$ 715	$ 0		715
Common Stock, Shares, Issued at Dec. 31, 2014	(4,720,283)	(4,720,000)	(322,000)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Dec. 31, 2014	$ 43,177	$ 47	$ (28,130)	356,606	(431)	(285,169)	254
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Release of performance shares, Shares		34,000
Release of performance shares, value	0	$ 0		0
Stock Received for Payment of Employee Taxes on Vesting of Performance Shares and Upon Exercise of Stock Options Shares		(16,000)
Stock Received for Payment of Employee Taxes on Vesting of Performance Shares and Upon Exercise of Stock Options	(153)	$ 0		(153)
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	293			293
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	(1,158)				(1,158)
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax	(5)				(5)
Net Income (Loss) Attributable to Parent	(13,233)					(13,233)
Net loss including non-controlling interest	(13,233)						0
Fair value of stock issued in connection with acquisition	$ 0
Common Stock, Shares, Issued at Dec. 31, 2015	(4,738,370)	(4,738,000)	(322,000)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Dec. 31, 2015	$ 28,921	$ 47	$ (28,130)	$ 356,746	$ (1,594)	$ (298,402)	$ 254