Condensed Consolidated Statement of Stockholders' Equity - 6 months ended Jun. 30, 2017 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid in Capital [Member]	(Accumulated Deficit) Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Noncontrolling Interest [Member]
Beginning Balance at Dec. 31, 2016	$ 158,876	$ 515	$ 159,474	$ 752	$ (2,910)	$ 1,045
Beginning Balance, Shares at Dec. 31, 2016		51,477
Total comprehensive (loss) income	(3,202)			(3,474)	336	(64)
Cumulative effect of new accounting principles adopted	67		(1,278)	1,345
Stock compensation	581		581
Extinguishment of convertible note options, net of tax	(359)		(359)
Surrender of shares to cover minimum withholding taxes on stock-based compensation	(599)		(599)
Issuance of common stock, pursuant to stock plans, $.01 par	119	$ 9	110
Issuance of common stock, pursuant to stock plans, $.01 par, Shares		958
Ending Balance at Jun. 30, 2017	$ 155,483	$ 524	$ 157,929	$ (1,377)	$ (2,574)	$ 981
Ending Balance, Shares at Jun. 30, 2017		52,435