CONSOLIDATED BALANCE SHEETS - USD ($)		Dec. 31, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents		$ 121,853,000	$ 862,000
Grants receivable		131,000	326,000
Inventory		214,000	0
Receivable on sale of state tax attributes		0	4,060,000
Vendor deposits		2,390,000	252,000
Prepaid and other current assets		2,779,000	484,000
Total current assets		127,367,000	5,984,000
Property and equipment, net		5,653,000	5,316,000
Intangible assets, net		320,000	360,000
Investment in joint venture		3,736,000	589,000
Security deposit		825,000	808,000
Other assets		363,000	0
Total assets		138,264,000	13,057,000
Current liabilities
Accounts payable and accrued expenses		8,861,000	6,987,000
Accounts payable and accrued expenses - related parties		2,517,000	1,194,000
Provision for firm purchase commitments		1,585,000	0
Capital lease, current portion		11,000	13,000
Embedded derivative liability		0	1,681,000
Long term debt, current portion		1,071,000	76,559,000
Contract liabilities, current portion		77,000	300,000
Total current liabilities		14,122,000	86,734,000
Long term liabilities
Deferred rent		762,000	663,000
Capital lease		4,000	17,000
Long-term debt		280,000	0
Total long term liabilities		1,046,000	680,000
Total liabilities		15,168,000	87,414,000
COMMITMENTS AND CONTINGENCIES		0	0
CONTINGENTLY REDEEMABLE PREFERRED UNITS		0	109,365,000
SHAREHOLDERS' EQUITY
Common Stock, $0.0001 par value, 200,000,000 shares authorized, 48,943,082 and 3,930,336 shares outstanding at December 31, 2020 and 2019, respectively	[1]	5,000	0
Contingently Issuable Common Stock	[1]	17,944,000	0
Preferred stock, $0.0001 par value, 1,000,000 shares authorized, no shares outstanding at December 31, 2020 and 2019	[1]	0	0
Additional paid in capital	[1]	395,913,000	20,346,000
Accumulated deficit	[1]	(290,766,000)	(204,068,000)
Total shareholders' equity (deficit)	[1]	123,096,000	(183,722,000)
Total liabilities, contingently redeemable preferred units, and shareholders’ equity (deficit)		$ 138,264,000	$ 13,057,000

[1] See Note 1 for discussion of reverse capitalization given effect herein