Consolidated Balance Sheets - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash	$ 9,456,000	$ 9,681,000
Investments	607,000	656,000
Accounts receivable, net of allowance for doubtful accounts of $66,000 and $46,000 as of December 31, 2016 and 2015, respectively	4,648,000	2,762,000
Accounts receivable, related party	174,000	8,000
Inventories	10,994,000	16,398,000
Prepaid expenses	3,346,000	3,092,000
Deferred income tax assets	438,000	484,000
Total current assets	29,663,000	33,081,000
Property and equipment, net	2,646,000	2,907,000
Goodwill	55,000	55,000
Definite-lived intangible assets, net	34,000	51,000
Equity investments in unconsolidated affiliate	3,538,000	3,040,000
Total assets	35,936,000	39,134,000
Current liabilities:
Accounts payable	1,005,000	1,027,000
Accrued liabilities	1,460,000	1,128,000
Total current liabilities	2,465,000	2,155,000
Deferred income tax liabilities	807,000	867,000
Total liabilities	3,272,000	3,022,000
Commitments
Shareholders' equity:
Common stock, $.01 par value: 50,000,000 shares authorized; 15,411,556 and 17,850,456 shares outstanding as of December 31, 2016 and 2015, respectively	154,000	178,000
Additional paid-in capital	9,990,000	16,526,000
Accumulated other comprehensive loss	(204,000)	(148,000)
Retained earnings	22,724,000	19,556,000
Total shareholders' equity	32,664,000	36,112,000
Total liabilities and shareholders' equity	$ 35,936,000	$ 39,134,000