Consolidated Statements of Stockholders’ Equity (USD $) In Thousands, except Share data	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Nil Coupon Perpetual Loan Notes	Treasury Stock
Balance at Dec. 31, 2011	$ 89,013	$ 237	$ 132,350	$ (44,031)	$ 381	$ 76	$ 0
Balance (in Shares) at Dec. 31, 2011		23,644,000
Net (loss) income	2,776			2,776
Foreign currency translation adjustments	(765)				(765)
Unrealized gains/(losses) from marketable securities, net of tax	(8)				(8)
Stock compensation expense	1,248		1,248
Issuance of deferred shares of stock	58		58
Tax effect of expired vested options	(57)		(57)
Repurchases and retirement of common shares (in Shares)		(1,605,000)
Repurchases and retirement of common shares	(7,889)	(16)		(7,873)
Common shares issued upon vesting of restricted stock units	(101)		(101)
Common shares issued upon vesting of restricted stock units		72,000
Treasury shares withheld (in shares)		(9,000)
Treasury shares withheld	(39)						(39)
Balance at Dec. 31, 2012	84,236	221	133,498	(49,128)	(392)	76	(39)
Balance (in Shares) at Dec. 31, 2012		22,102,000
Net (loss) income	5,101			5,101
Foreign currency translation adjustments	438				438
Unrealized gains/(losses) from marketable securities, net of tax	(9)				(9)
Exercise of stock options (in shares)		195,000
Exercise of stock options	811	2	809
Stock compensation expense	67		67
Issuance of deferred shares of stock	1,798		1,798
Tax effect of expired vested options	(121)		(121)
Common shares issued upon vesting of restricted stock units	(3,251)	4	(3,255)
Common shares issued upon vesting of restricted stock units		395,000
Treasury shares withheld (in shares)	(99,531)	(99,000)
Treasury shares withheld	(447)						(447)
Balance at Dec. 31, 2013	88,623	227	132,796	(44,027)	37	76	(486)
Balance (in Shares) at Dec. 31, 2013		22,593,000
Net (loss) income	(17,725)			(17,725)
Foreign currency translation adjustments	(489)				(489)
Unrealized gains/(losses) from marketable securities, net of tax	4				4
Exercise of stock options	297		297
Tax benefit from stock compensation expense	7		7
Stock compensation expense	2,322		2,322
Issuance of deferred shares of stock (in shares)		60,000
Tax effect of expired vested options	(379)		(379)
Repurchases and retirement of common shares (in Shares)	(2,306,590)
Common shares issued upon vesting of restricted stock units	(55)	3	(58)
Common shares issued upon vesting of restricted stock units		266,000
Treasury shares withheld (in shares)	(58,649)	(59,000)
Treasury shares withheld	(304)						(304)
Balance at Dec. 31, 2014	$ 72,301	$ 230	$ 134,985	$ (61,752)	$ (448)	$ 76	$ (790)
Balance (in Shares) at Dec. 31, 2014		22,860,000