Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current Assets:
Cash and cash equivalents	$ 16,363	$ 9,598
Accounts receivable, net	1,115	620
Inventories	10,034	10,653
Other current assets	6,501	7,084
Total Current Assets	34,013	27,955
Restricted cash	1,166	969
Inventories, net of current portion	8,813	7,594
Property and equipment, net	10,342	4,706
Intangible Assets	22,267	28,596
Net deferred tax assets	307	0
Other long term assets	1,350	2,489
Total Assets	78,258	74,779
Current Liabilities:
Accounts payable	1,965	3,579
Accrued expenses	6,301	8,553
Deferred revenue - current portion	789	818
Notes payable - current portion	1,228	0
Contingent consideration - current portion	0	73
Total Current Liabilities	10,283	13,023
Long Term Liabilities:
Deferred revenue - less current portion	0	27
Contingent consideration - less current portion	3,936	1,011
Notes payable - less current portion	1,587	0
Warrant liabilities	255	2,388
Net deferred tax liabilities	0	1,392
Other long term liabilities	628	1,403
Total Liabilities	16,689	19,244
Commitments and Contingencies (Note 21)
Stockholders' Equity:
Common stock $0.001 par value, 750,000,000 shares authorized at December 31, 2020 and December 31, 2019; 116,231,072 and 20,691,301 shares issued and outstanding at December 31, 2020 and December 31, 2019, respectively	116	21
Preferred stock, $0.01 par value, 25,000,000 shares authorized, no shares issued and outstanding at December 31, 2020 and December 31, 2019	0	0
Additional paid-in capital	781,397	720,484
Accumulated deficit	(722,912)	(663,600)
Accumulated other comprehensive income (loss)	2,968	(1,370)
Total Stockholders' Equity	61,569	55,535
Total Liabilities and Stockholders' Equity	78,258	74,779
Intellectual Property [Member]
Current Assets:
Intangible Assets	22,267	28,596
In Process Research and Development [Member]
Current Assets:
Intangible Assets	$ 0	$ 2,470