Statement of Shareholders' Equity (Deficit) (USD $) In Thousands, except Share data	Total		Preferred Stock [Member] Series A Preferred Stock [Member]	Preferred Stock [Member] Series B Preferred Stock [Member]	Preferred Stock [Member] Series E Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Dec. 31, 2013	$ (78,372)		$ 2,939	$ 8,683	$ 90,866	$ 6,147	$ 29,722	$ (116,752)	$ 2,511
Balance (in Shares) at Dec. 31, 2013			1,151,468	994,885	4,322,126	1,344,627
Net income (loss)	13,018							13,018
Conversion of Series A, B and E convertible preferred shares	102,488		(2,939)	(8,683)	(90,866)	102,488
Conversion of series A, B and E convertible preferred shares (in Shares)			(1,151,468)	(994,885)	(4,322,126)	7,725,924
Issuance of common shares, net of issuance costs	38,373					38,373
Issuance of common shares, net of issuance costs (in Shares)						5,095,000
Foreign currency translation adjustment	(3,501)								(3,501)
Stock option compensation expense	760						760
Issuance of common shares on conversion of subscription rights						124	(124)
Issuance of common shares on conversion of subscription rights (in Shares)						13,365
Issued pursuant to exercise of stock options	13					25	(12)
Issued pursuant to exercise of stock options (in Shares)						2,417
Balance at Dec. 31, 2014	72,779					147,157	30,346	(103,734)	(990)
Balance (in Shares) at Dec. 31, 2014						14,181,333
Net income (loss)	(4,225)		0					(4,225)
Stock option compensation expense	288						288
Issued pursuant to exercise of stock options	127					351	(184)	(40)
Issued pursuant to exercise of stock options (in Shares)	44,656	[1]				40,942
Balance at Mar. 31, 2015	$ 68,969					$ 147,508	$ 30,450	$ (107,999)	$ (990)
Balance (in Shares) at Mar. 31, 2015						14,222,275

[1] During the three months ended March 31, 2015, 26,910 stock options were exercised for the same number of common shares for cash. In the same period, the Company issued 14,032 common shares for the cashless exercise of 17,746 stock options.