CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues:
Revenue, net	$ 18,341	$ 16,249	$ 31,463	$ 30,794
Costs and expenses:
Cost of revenues	9,800	11,465	17,160	20,790
Selling, general and administrative expenses	5,187	5,727	10,700	11,087
Product development and research expenses	2,668	3,967	5,657	7,358
Total costs and expenses	17,655	21,159	33,517	39,235
Operating loss	686	(4,910)	(2,054)	(8,441)
Other (Expense) Income:
Foreign currency exchange gain/ (loss)	553	(3,220)	(291)	(1,895)
Debt partial extinguishment of 2019 Notes	0	(2,467)	(185)	(2,467)
Interest and other expense, net	(5,155)	(2,499)	(10,102)	(5,071)
Loss before income tax expense	(3,916)	(13,096)	(12,632)	(17,874)
Income tax expense	73	23	81	47
Net loss attributable to common shareholders	$ (3,989)	$ (13,119)	$ (12,713)	$ (17,921)
Basic and diluted loss per share (in dollars per share)	$ (0.08)	$ (0.25)	$ (0.24)	$ (0.34)
Weighted average shares of common stock outstanding:
Basic and diluted shares (in shares)	53,849,108	53,510,712	53,827,665	53,484,756