CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 2,852	$ 5,893
Short-term investments	1,071	9,267
Accounts receivable, net	1,636	2,436
Inventories	5,271	3,824
Tax credits and receivables	1,076	1,099
Deferred cost of net revenue	600
Prepaid expenses and other	918	1,159
Total current assets	13,424	23,678
Long-term investments		2,928
Property and equipment, net	2,058	2,349
Intangible assets, net	6,803	8,355
Goodwill	9,946	9,946
Right-of-use lease asset, net	1,181	617
Other	129	78
Total assets	33,541	47,951
Current liabilities
Accounts payable	1,744	1,937
Accrued expenses and other	1,867	2,903
Deferred revenue	219	375
Short-term lease liability	633	379
Total current liabilities	4,463	5,594
Long-term lease liability	554	288
Total liabilities	5,017	5,882
Commitments and contingencies (Note 6)
Stockholders’ equity
Preferred stock, value
Common stock, $0.001 par value; 120,000 shares authorized; 12,757 shares and 12,284 shares issued and outstanding at September 30, 2022 and December 31, 2021, respectively	13	12
Exchangeable shares, no par value; unlimited shares authorized; 9,112 shares and 9,295 shares outstanding at September 30, 2022 and December 31, 2021, respectively
Additional paid-in capital	163,551	159,256
Accumulated other comprehensive loss	(36)
Accumulated deficit	(135,004)	(117,199)
Total stockholders’ equity	28,524	42,069
Total liabilities and stockholders’ equity	33,541	47,951
Series A Special Voting Preferred Stock
Stockholders’ equity
Preferred stock, value