Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
OPERATING ACTIVITIES
Net income	$ 349,799	$ 347,448
Adjustments to reconcile net income to net cash provided (used) by operating activities:
Depreciation and amortization	30,916	34,122
Deferred income taxes	219,822	237,493
(Decrease) increase in:
Accounts receivable	(92,944)	(62,228)
Inventories	(138,697)	17,997
Prepaid expenses	(56,001)	(76,960)
Other assets	(375,481)	(86,829)
Increase in:
Accounts payable and accrued expenses	(315,826)	25,404
NET CASH PROVIDED (USED) BY OPERATING ACTIVITIES	(378,412)	436,447
INVESTING ACTIVITIES
Purchase of property and equipment	(3,825)	(5,169)
NET CASH USED IN INVESTING ACTIVITIES	(3,825)	(5,169)
FINANCING ACTIVITIES
Payment of principal on bank term loans	(109,288)	(381,840)
Payment on officer loan	(15,000)	0
Proceeds from the exercise of employee stock options	0	10,800
Proceeds from revolving bank line of credit	500,000	0
NET CASH PROVIDED (USED) BY FINANCING ACTIVITIES	375,712	(371,040)
DISCONTINUED OPERATIONS
Payment of obligations from discontinued operations	(43,603)	(67,255)
Decrease in cash	(50,128)	(7,017)
Cash at beginning of period	194,021	200,349
Cash at end of period	143,893	193,332
Supplemental schedule of investing and financing activities
Cash paid for interest	$ 77,919	$ 44,822