CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents		$ 84,641	$ 51,722
Accounts receivable, net		2,516	1,934
Inventory		8,150	4,338
Prepaid expenses and other current assets		3,552	901
Total current assets		98,859	58,895
Property and equipment, net		2,366	3,153
Operating lease right-of-use assets		2,746	3,308
Intangible assets, net		2,956	2,208
Goodwill		8,454	8,454
Other assets		118	123
Total assets		115,499	76,141
Current liabilities:
Accounts payable		3,061	1,930
Accrued expenses		4,758	3,247
Accrued compensation		3,376	3,714
Operating lease liabilities		975	802
Term loan			28,352
Other current liabilities		2,482	2,756
Total current liabilities		14,652	40,801
Warrant liabilities			1,914
Operating lease liabilities, net of current		1,730	2,449
Term loan, net of current		26,496
Forward obligation			2,750
Other liabilities		558	776
Total liabilities		43,436	48,690
Commitments and contingencies (Note 8)
Convertible preferred stock, $0.0001 par value; authorized - none as of December 31, 2021 and 17,528,207 shares as of December 31, 2020; issued and outstanding - none as of December 31, 2021 and 17,031,887 shares as of December 31, 2020; aggregate liquidation preference - none as of December 31, 2021 and $282,198 as of December 31, 2020	[1]		281,342
Stockholders' deficit:
Preferred stock, $0.001 par value; authorized - 10,000,000 shares as of December 31, 2021 and none as of December 31, 2020; issued and outstanding - none as of December 31, 2021 and 2020
Common stock, $0.001 par value; authorized - 500,000,000 shares as of December 31,2021 and 21,643,836 shares as of December 31,2020; issued - 26,336,536 shares as of December 31, 2021 and 1,247,024 shares as of December 31, 2020; outstanding - 26,289,847 shares as of December 31, 2021 and 1,200,335 shares as of December 31, 2020		26	2
Additional paid-in-capital		384,132	9,703
Accumulated deficit		(312,044)	(263,545)
Stockholders' deficit before treasury stock		72,114	(253,840)
Less: Treasury stock		(51)	(51)
Total stockholders’ deficit		72,063	(253,891)
Total liabilities, convertible preferred stock and stockholders’ deficit		$ 115,499	$ 76,141

[1] The carrying value reflects the gross proceeds received from the sale of the preferred stock net of issuance costs and the fair value at issuance of preferred stock warrants classified as a liability