Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
OPERATING ACTIVITIES
Net income	$ 1,590,196	$ 91,097	$ 624,143
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	128,265	174,241	192,012
Non-cash expense from reducing valuation of receivables	0	1,208,162	0
Deferred income taxes	1,007,526	568,406	753,457
(Increase) decrease in:
Accounts receivable	(419,166)	(288,425)	(195,553)
Inventories	(43,578)	123,018	(122,392)
Prepaid expenses	4,344	(92,397)	(100,950)
Other assets including long-term portion of accounts receivable	(1,861,460)	(370,133)	147,902
Increase in:
Accounts payable and accrued expenses	263,622	308,093	205,946
NET CASH PROVIDED BY OPERATING ACTIVITIES	669,749	1,722,062	1,504,565
INVESTING ACTIVITIES
Purchase of property and equipment	(22,176)	(11,958)	(18,994)
Assets held for resale	0	0	(7,027)
NET CASH USED BY INVESTING ACTIVITIES	(22,176)	(11,958)	(26,021)
FINANCING ACTIVITIES
Payment of cumulative preferred dividends	0	(99,000)	(99,271)
Payment of principal on outstanding under prior bank loan	0	0	(3,575,000)
Payment of principal officer loan	0	0	(1,255,821)
Payment of principal outstanding on bank loans	(1,235,694)	(1,244,375)	(729,167)
Redemption of all preferred stock outstanding	0	(825,000)	0
Payment of alternative minimum tax	0	0	(34,515)
Proceeds from new bank loan net of closing costs	697,704	821,454	4,812,457
Proceeds from the exercise of stock options	105,230	39,975	18,200
NET CASH USED BY FINANCING ACTIVITIES	(432,760)	(1,306,946)	(863,117)
DISCONTINUED OPERATIONS
Payment of obligations from discontinued operations	(172,251)	(389,725)	(704,369)
Increase (decrease) in cash	42,562	13,433	(88,942)
Cash at beginning of year	157,787	144,354	233,296
Cash at end of year	$ 200,349	$ 157,787	$ 144,354