Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 33,016	$ 43,931
Accounts receivable, net	4,311	4,234
Inventory	10,267	7,658
Prepaid expenses and other assets	2,735	3,232
Total current assets	50,329	59,055
Property and equipment, net	1,460	1,186
Intangible assets, net	2,227	2,303
Right-of-use asset	1,339
Total assets	55,355	62,544
Current liabilities:
Accounts payable	5,703	2,414
Accrued expenses and other current liabilities	6,583	8,161
Total current liabilities	12,286	10,575
Longterm debt with related party	31,669	31,491
Other longterm liabilities	1,362	380
Total liabilities	45,317	42,446
Stockholders' equity:
Preferred stock; $0.001 par value: 10,000,000 shares authorized; no shares issued and outstanding
Common stock; $0.001 par value: 200,000,000 shares authorized; 14,556,750 and 14,529,606 shares issued and 14,556,748 and 14,529,577 shares outstanding at March 31, 2022 and December 31, 2021, respectively	15	15
Additional paid-in capital	250,819	250,064
Accumulated other comprehensive loss	(5)	(52)
Accumulated deficit	(240,791)	(229,929)
Total stockholders' equity	10,038	20,098
Total liabilities and stockholders' equity	$ 55,355	$ 62,544