Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current Assets:
Cash and cash equivalents	$ 19,964	$ 9,598
Accounts receivable, net	903	620
Inventories	10,856	10,653
Other current assets	5,780	7,084
Total Current Assets	37,503	27,955
Restricted cash	1,154	969
Inventories, net of current portion	6,769	7,594
Property and equipment, net	8,702	4,706
Intangible Assets	24,139	28,596
Net deferred tax assets	41	0
Other long term assets	1,836	2,489
Total Assets	80,144	74,779
Current Liabilities:
Accounts payable	2,973	3,579
Accrued expenses	7,492	8,553
Deferred revenue - current portion	818	818
Notes payable - current portion, net of debt discount	279	0
Contingent consideration - current portion	0	73
Total Current Liabilities	11,562	13,023
Long Term Liabilities:
Deferred revenue - less current portion	0	27
Contingent consideration - less current portion	2,780	1,011
Notes payable, net of issuance costs	2,536	0
Warrant liabilities	124	2,388
Net deferred tax liabilities	0	1,392
Other long term liabilities	973	1,403
Total Liabilities	17,975	19,244
Commitments and Contingencies (Note 13)
Stockholders' Equity:
Common stock $0.001 par value, 750,000,000 shares authorized at September 30, 2020 and December 31, 2019; 99,879,029 and 20,691,301 shares issued and outstanding at September 30, 2020 and December 31, 2019, respectively	100	21
Preferred stock, $0.01 par value, 25,000,000 shares authorized, no shares issued and outstanding at September 30, 2020 and December 31, 2019	0	0
Additional paid-in capital	770,368	720,484
Accumulated deficit	(709,120)	(663,600)
Accumulated other comprehensive income (loss)	821	(1,370)
Total Stockholders' Equity	62,169	55,535
Total Liabilities and Stockholders' Equity	80,144	74,779
Intellectual Property [Member]
Current Assets:
Intangible Assets	24,139	28,596
In Process Research and Development [Member]
Current Assets:
Intangible Assets	$ 0	$ 2,470