Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 6,145	$ 19,143
Accounts receivable, net	3,711	1,533
Inventory, net	1,797	966
Prepaid expenses and other current assets	3,834	2,283
Total current assets	15,487	23,925
Property and equipment, net	203	12,447
Right of use asset	761	949
Other non-current assets	2,012	2,012
Total assets	18,463	39,333
Current liabilities:
Long-term debt, current portion	1,318	16,833
Accounts payable	4,906	8,707
Accrued expenses	5,152	3,563
Lease liability, current portion	277	175
Total current liabilities	11,653	29,278
Lease liabilities, long-term	550	784
Total liabilities	12,203	30,062
Commitments and contingencies (Note 10)
Stockholders' equity
Common stock, $.0001 par value, 300,000,000 shares authorized, 39,026,823 and 3,034,901 issued and outstanding at September 30, 2022 and December 31, 2021, respectively	4
Additional paid-in capital	437,027	396,388
Accumulated deficit	(430,771)	(387,117)
Total stockholders' equity	6,260	9,271
Total liabilities and stockholders' equity	$ 18,463	$ 39,333