Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Cash	$ 8,581,000	$ 6,859,000
Accounts receivable, net	3,391,000	2,019,000
Inventory	640,000	4,079,000
Prepaid expenses & other assets	238,000	432,000
Total current assets	12,850,000	13,389,000
Property, plant & equipment, net	44,000	69,000
Other assets:
Other long term receivable	0	96,000
Total other assets	0	96,000
Total assets	12,894,000	13,554,000
Current liabilities:
Accounts payable	957,000	783,000
Accrued expenses	557,000	1,687,000
Total current liabilities	1,514,000	2,470,000
Note payable	0	0
Total liabilities	1,514,000	2,470,000
Shareholders' Equity:
Common stock: authorized 25,000,000 shares $1.00 par value; shares issued and outstanding: 11,680,395 shares as of June 30, 2015 11,771,286 shares as of June 30, 2014 11,680,395 shares as of December 31, 2014	11,680,000	11,680,000
Additional paid-in capital	5,118,000	5,118,000
Accumulated deficit	(5,310,000)	(5,580,000)
Unearned compensation	(108,000)	(134,000)
Total shareholders' equity	11,380,000	11,084,000
Total liabilities & shareholders' equity	$ 12,894,000	$ 13,554,000