Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets
Cash	$ 11,005	$ 3,331
Accounts receivable, net	66	74
Other receivables	185	156
Inventory, net	476	389
Prepaid expenses	862	735
Total current assets	12,594	4,685
Property and equipment, net	409	486
Other assets
Goodwill	763	759
Intangible assets, net	333	527
Operating lease right-of-use asset, net	3	90
Total other assets	1,099	1,376
TOTAL ASSETS	14,102	6,547
Current liabilities
Accounts payable	1,069	747
Accrued liabilities	1,433	1,337
Operating lease liability	3	59
Deferred revenue	148	281
Total current liabilities	2,653	2,424
Non-current liabilities
Operating lease liability		32
Deferred revenue	193	220
TOTAL LIABILITIES	2,846	2,676
Commitments and contingencies (Note 7)
STOCKHOLDERS’ EQUITY
Preferred stock, $0.001 par value; 10,000,000 shares authorized, no shares issued and outstanding as of December 31, 2021 and December 31, 2020
Class A Common stock, $0.001 par value; 150,000,000 shares authorized; 3,780,674 and 1,484,362 shares issued and outstanding as of December 31, 2021 and December 31, 2020, respectively	4	1
Additional paid-in capital	149,412	123,872
Accumulated deficit	(137,035)	(118,903)
Accumulated other comprehensive loss	(1,125)	(1,099)
TOTAL STOCKHOLDERS’ EQUITY	11,256	3,871
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 14,102	$ 6,547