CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current Assets:
Cash	$ 3,055	$ 2,701
Prepaid expenses and other current assets	1,208	868
Inventory	930	98
Total current assets	5,193	3,667
Property and equipment, net	2,072	2,441
Intangible assets, net	9	10
Right-of-use assets	645	798
Security deposits	488	101
Vendor deposits	529	21
Total assets	8,936	7,038
Current Liabilities:
Accounts payable	1,671	1,523
Accrued expenses	818	1,686
Payroll tax liabilities	71	10
Contract liability	526	523
Note payable	80	157
Variable share settled restricted stock units	176
Current portion of operating lease liability	355	344
Total current liabilities	3,697	4,243
Lease liability, net of current portion	378	558
Convertible debt and warrant liability, at fair value	4,318	11,285
Total liabilities	8,393	16,086
Stockholders' (deficit) equity:
Additional paid-in capital	246,173	209,564
Accumulated deficit	(245,637)	(218,616)
Total stockholders' equity (deficit)	543	(9,048)
Total liabilities and stockholders' (deficit) equity	8,936	7,038
Common Class A [Member]
Stockholders' (deficit) equity:
Common stock par value	4	1
Common Class B [Member]
Stockholders' (deficit) equity:
Common stock par value	$ 3	$ 3