Condensed Balance Sheets (USD $)	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash	$ 4,049,696	$ 3,339,952
Trade receivables, less allowance for doubtful accounts of approximately $79,000 and $72,000 at March 31, 2015 and December 31, 2014 respectively	2,449,038	2,571,994
Inventories, net	2,693,392	2,896,614
Prepaid expenses	278,358	317,269
Income tax deposit	180,306	180,306
Deferred income taxes - current	207,231	207,231
Total current assets	9,858,021	9,513,366
Property and equipment, net	334,964	277,088
Other assets	429,537	342,546
Total assets	10,622,522	10,133,000
Current liabilities:
Accounts payable	903,432	814,090
Accrued compensation expenses	455,853	471,014
Income taxes payable	200,295	0
Other current liabilities	82,605	74,353
Total current liabilities	1,642,185	1,359,457
Deferred tax liability	138,125	138,125
Total liabilities	1,780,310	1,497,582
Commitments and contingencies
Shareholders' equity:
Common stock, $0.001 par value; 20,000,000 shares authorized; 10,128,311 shares issued and outstanding, at March 31, 2015 and December 31, 2014.	10,128	10,128
Additional paid-in capital	3,493,761	3,399,179
Retained earnings	5,338,323	5,226,111
Total shareholders' equity	8,842,212	8,635,418
Total liabilities and shareholders' equity	$ 10,622,522	$ 10,133,000