Condensed Consolidated Balance Sheets (Unaudited) - USD ($)	Mar. 31, 2022	Dec. 31, 2021	[1]
Current assets:
Cash and cash equivalents	$ 14,239,000	$ 16,307,000
Accounts receivable, net of allowance for doubtful accounts of $71,000 as of March 31, 2022 and $64,000 as of December 31, 2021	7,211,000	3,397,000
Accounts receivable, related party	1,597,000	1,383,000
Inventories	23,883,000	24,969,000
Prepaid expenses	6,207,000	6,943,000
Total current assets	53,137,000	52,999,000
Property and equipment, net	5,985,000	6,064,000
Goodwill	55,000	55,000
Definite-lived intangible assets, net	3,000	3,000
Right-of-use assets	2,420,000	2,648,000
Equity investment in unconsolidated affiliate	6,169,000	6,120,000
Total assets	67,769,000	67,889,000
Current liabilities:
Accounts payable	522,000	528,000
Accrued liabilities	542,000	1,250,000
Lease liabilities	887,000	883,000
Total current liabilities	1,951,000	2,661,000
Lease liabilities, net of current portion	1,586,000	1,817,000
Deferred income tax liabilities, net	791,000	791,000
Total liabilities	4,328,000	5,269,000
Commitments and contingincies
Shareholders' equity:
Common stock, $.01 par value: 50,000,000 shares authorized; 12,945,341 and 13,115,341 shares outstanding as of March 31, 2022 and December 31, 2021, respectively	130,000	132,000
Additional paid-in capital	0	0
Retained earnings	63,311,000	62,488,000
Total shareholders' equity	63,441,000	62,620,000
Total liabilities and shareholders' equity	$ 67,769,000	$ 67,889,000

[1] The condensed consolidated balance sheet as of December 31, 2021 has been prepared using information from the audited consolidated balance sheet as of that date.