Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash	$ 8,836,000	$ 9,456,000	[1]
Investments	564,000	607,000	[1]
Accounts receivable, net of allowance for doubtful accounts of $85,000 and $67,000 as of June 30, 2017 and December 31, 2016, respectively	4,947,000	4,648,000	[1]
Accounts receivable, unconsolidated affiliate	278,000	174,000	[1]
Inventories	10,768,000	10,994,000	[1]
Prepaid expenses and other current assets	2,505,000	3,346,000	[1]
Deferred income tax assets		438,000	[1]
Total current assets	27,898,000	29,663,000	[1]
Property and equipment, net	3,110,000	2,646,000	[1]
Goodwill	55,000	55,000	[1]
Definite-lived intangible assets, net	25,000	34,000	[1]
Equity investments in unconsolidated affiliate	3,772,000	3,538,000
Total assets	34,860,000	35,936,000	[1]
Current liabilities:
Accounts payable	1,204,000	1,005,000	[1]
Accrued liabilities	712,000	1,460,000	[1]
Total current liabilities	1,916,000	2,465,000	[1]
Deferred income tax liabilities	361,000	807,000	[1]
Total liabilities	2,277,000	3,272,000	[1]
Commitments
Shareholders' equity:
Common stock, $.01 par value: 50,000,000 shares authorized; 14,926,256 and 15,411,556 shares outstanding as of June 30, 2017 and December 31, 2016, respectively	149,000	154,000	[1]
Additional paid-in capital	7,729,000	9,990,000	[1]
Accumulated other comprehensive loss	(239,000)	(204,000)	[1]
Retained earnings	24,944,000	22,724,000	[1]
Total shareholders' equity	32,583,000	32,664,000	[1]
Total liabilities and shareholders' equity	$ 34,860,000	$ 35,936,000	[1]

[1] The condensed consolidated balance sheet as of December 31, 2016 has been prepared using information from the audited consolidated balance sheet as of that date.