Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current Assets
Cash and cash equivalents	$ 21,816	$ 9,598
Accounts receivable, net	951	620
Inventories	9,829	10,653
Other current assets	7,341	7,084
Total Current Assets	39,937	27,955
Restricted cash	925	969
Inventories, net of current portion	7,201	7,594
Property and equipment, net	6,060	4,706
Other long term assets	2,168	2,489
Total Assets	84,230	74,779
Current Liabilities
Accounts payable	4,047	3,579
Accrued expenses	8,026	8,553
Deferred revenue – current portion	903	818
Contingent consideration – current portion	72	73
Total Current Liabilities	13,048	13,023
Long Term Liabilities
Deferred revenue – less current portion	13	27
Contingent consideration – less current portion	2,068	1,011
Warrant liabilities	73	2,388
Net deferred tax liabilities	649	1,392
Other long term liabilities	1,217	1,403
Total Liabilities	17,068	19,244
Commitments and Contingencies (Note 18)
Stockholders’ Equity
Common stock $0.001 par value, 750,000,000 shares authorized at March 31, 2020 and December 31, 2019; 47,078,314 and 20,691,301 shares issued and outstanding at March 31, 2020 and December 31, 2019, respectively	47	21
Preferred stock, $0.01 par value, 25,000,000 shares authorized, including 7,937,057 and 0 shares of Series A Convertible Preferred Stock at March 31, 2020 and December 31, 2019, and 4,884,117 and 0 shares issued and outstanding at March 31, 2020 and December 31, 2019, respectively	49	0
Additional paid-in capital	749,506	720,484
Accumulated deficit	(680,198)	(663,600)
Accumulated other comprehensive loss	(2,242)	(1,370)
Total Stockholders’ Equity	67,162	55,535
Total Liabilities and Stockholders’ Equity	84,230	74,779
Intellectual property, net
Current Assets
Intangible assets	27,939	28,596
In-Process Research and Development
Current Assets
Intangible assets	$ 0	$ 2,470