CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenues:
Revenue, net	$ 18,466	$ 18,294	$ 49,929	$ 49,088
Costs and expenses:
Cost of revenues	11,186	11,575	28,346	32,365
Selling, general and administrative expenses	5,007	4,845	15,707	15,932
Product development and research expenses	2,064	3,087	7,721	10,445
Total costs and expenses	18,257	19,507	51,774	58,742
Operating income/(loss)	209	(1,213)	(1,845)	(9,654)
Other Expense:
Foreign currency exchange loss	(2,167)	(176)	(2,458)	(2,071)
Debt partial extinguishment of 2019 Notes	0	0	(185)	(2,467)
Interest and other expense, net	(5,160)	(2,693)	(15,262)	(7,764)
Loss before income tax expense	(7,118)	(4,082)	(19,750)	(21,956)
Income tax (benefit)/expense	(5)	(137)	76	(90)
Net loss attributable to common shareholders	$ (7,113)	$ (3,945)	$ (19,826)	$ (21,866)
Basic and diluted loss per share (in dollars per share)	$ (0.13)	$ (0.07)	$ (0.37)	$ (0.41)
Weighted average shares of common stock outstanding:
Basic and diluted shares (in shares)	53,850,427	53,625,768	53,835,336	53,532,277