Consolidated Balance Sheets (Unzudited) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets
Cash	$ 7,210	$ 9,924
Restricted cash		1,775
Notes receivable and accrued interest	6,100	5,778
Accounts receivable, net	3,822	2,429
Inventories	8,479	4,160
Prepaid expenses and other current assets	840	1,069
Total current assets	26,451	25,135
Property and equipment, net	794	516
Right-of-use assets	2,116	2,237
Other assets	84	39
Total assets	29,445	27,927
Current liabilities
Accounts payable and accrued liabilities	5,678	4,159
Deferred revenue	6,621	2,423
Total current liabilities	12,299	6,582
Other long-term liabilities	1,304	1,793
Total liabilities	13,603	8,375
Stockholders’ equity
Preferred stock, $0.001 par value, 5,000,000 shares authorized; none issued
Common stock, $0.001 par value, 30,000,000 shares authorized; 9,644,545 and 9,640,545 shares issued and outstanding on September 30, 2022 and December 31, 2021, respectively	10	10
Additional paid-in capital	32,716	31,840
Accumulated other comprehensive income	14	14
Accumulated deficit	(16,898)	(12,312)
Total stockholders’ equity	15,842	19,552
Total liabilities and stockholders’ equity	$ 29,445	$ 27,927

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

Name:	us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.