Unaudited Condensed Consolidated Statements of Operations and Other Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Revenues
Products and services	$ 944	$ 674
Collaborations and licenses	46	213
Grants	0	4
Total Revenues	990	891
Cost of revenues	301	168
Research and development expenses	5,033	4,444
Selling, general, and administrative expenses	5,856	5,056
Total costs and expenses	11,190	9,668
Loss from Operations	(10,200)	(8,777)
Other Income (Expense)
Change in fair value of warrant liabilities	0	(5)
Interest income	98	37
Total Other Income (Expense)	98	32
Income Tax Expense	0	(22)
Net Loss	(10,102)	(8,767)
Currency Translation Adjustment	(11)	0
Comprehensive Loss	$ (10,113)	$ (8,767)
Net loss per common share—basic and diluted	$ (0.10)	$ (0.09)
Weighted average shares used in computing net loss per common share—basic and diluted	104,689,391	92,391,964