Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 14,648	$ 2,875
Accounts receivable, net, including related parties	1,377	709
Inventory	1,085	990
Prepaid expenses and other current assets	1,447	783
Total current assets	18,557	5,357
Property and equipment, net	1,637	1,770
Goodwill	1,326	1,325
Intangible assets, net	1,210	1,313
Other assets	422	497
Total assets	23,152	10,262
Current liabilities:
Accounts payable and accrued expenses	2,204	2,383
Development loan	15,000	5,000
Revolving credit facility, including accrued interest	10,610	10,458
Unfunded commitment to joint venture	1,546	1,688
Accrued payroll and benefits	1,076	1,159
Total current liabilities	30,436	20,688
Development loans, net of current portion	0	10,000
Promissory note	13,885	16,169
Total liabilities	44,321	46,857
Commitments and contingencies (Note 8)
Total convertible preferred stock	0	85,658
Stockholders’ deficit:
Common stock, $0.0001 par value; 750,000,000 shares authorized and 35,135,520 shares issued and outstanding as of March 31, 2020, and 29,012,034 shares authorized and 4,220,998 shares issued and outstanding as of December 31, 2019	4	0
Additional paid-in capital	127,683	22,404
Accumulated deficit	(148,102)	(143,915)
Accumulated other comprehensive loss	(754)	(742)
Total stockholders’ deficit	(21,169)	(122,253)
Total liabilities, convertible preferred stock and stockholders’ deficit	23,152	10,262
Series 1 Preferred Stock
Current liabilities:
Total convertible preferred stock	0	39,658
Series 2 Preferred Stock
Current liabilities:
Total convertible preferred stock	0	30,000
Series 3 Preferred Stock
Current liabilities:
Total convertible preferred stock	$ 0	$ 16,000