CONSOLIDATED STATEMENT OF CHANGES IN EQUITY - USD ($) $ in Thousands	Total	Total Stockholders' Equity [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Noncontrolling Interests [Member]
Balance (in shares) at Dec. 31, 2012	20,155,732
Balance at Dec. 31, 2012	$ 142,597	$ 142,398	$ 295	$ 286,048	$ (41,550)	$ (103,472)	$ 1,077	$ 199
Increase (Decrease) Equity [Roll Forward]
Net income (loss)	$ 8,190	8,170			8,170			20
Issuance of common shares (in shares)	17,063
Issuance of common shares	$ 104	104	2	102
Treasury shares issued (in shares)	32,789
Treasury shares issued	$ 282	282		(59)		341
Stock-based compensation (in shares)	45,866
Stock-based compensation	$ 1,214	1,214	0	1,214
Repurchase of common stock (in shares)	(553,135)
Repurchases of common stock	$ (4,743)	(4,743)				(4,743)
Exercise of warrants (in shares)	245,588
Exercise of warrants	$ 1,252	1,252	2	1,250		0
Dividends declared on common stock	(2,965)	(2,965)			(2,965)
Other	19							19
Other comprehensive income (loss)	3,041	3,041					3,041
Balance at Dec. 31, 2013	$ 148,991	148,753	299	288,555	(36,345)	(107,874)	4,118	238
Balance (in shares) at Dec. 31, 2013	19,943,903.000
Increase (Decrease) Equity [Roll Forward]
Net income (loss)	$ 9,747	9,018			9,018			729
Issuance of common shares (in shares)	5,000
Issuance of common shares	$ 41	41	0	41
Treasury shares issued (in shares)	39,491
Treasury shares issued	$ 356	356		(51)		407
Stock-based compensation (in shares)	661,622
Stock-based compensation	$ 2,057	2,057	3	2,054
Repurchase of common stock (in shares)	(1,369,472)
Repurchases of common stock	$ (10,961)	(10,961)				(10,961)
Exercise of warrants (in shares)	3,444,607
Exercise of warrants	$ 15,814	15,814	33	17,535		(1,754)
Dividends declared on common stock	(4,605)	(4,605)			(4,605)
Non-controlling contributions - Pelium	19,694							19,694
Other	(63)							(63)
Other comprehensive income (loss)	(1,212)	(1,212)					(1,212)
Balance at Dec. 31, 2014	$ 179,859	159,261	335	308,134	(31,932)	(120,182)	2,906	20,598
Balance (in shares) at Dec. 31, 2014	22,725,151.000
Increase (Decrease) Equity [Roll Forward]
Net income (loss)	$ 8,232	6,188			6,188			2,044
Treasury shares issued (in shares)	43,891
Treasury shares issued	$ 286	286		(157)		443
Stock-based compensation (in shares)	484,419
Stock-based compensation	$ 3,518	3,518	4	3,514
Repurchase of common stock (in shares)	(2,739,498)
Repurchases of common stock	$ (20,119)	(20,119)				(20,119)
Dividends declared on common stock	(4,932)	(4,932)			(4,932)
Non-controlling contributions - Pelium	4,924							4,924
Non-controlling distributions	(5,202)							(5,202)
Other	(8)							(8)
Other comprehensive income (loss)	(6,439)	(6,439)					(6,439)
Balance at Dec. 31, 2015	$ 160,119	$ 137,763	$ 339	$ 311,491	$ (30,676)	$ (139,858)	$ (3,533)	$ 22,356
Balance (in shares) at Dec. 31, 2015	20,513,963