Condensed Consolidated Balance Sheets (Unaudited) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Assets
Cash	$ 122,241	$ 144,354
Accounts and note receivable - net	1,664,664	1,080,362
Inventories	472,613	460,839
Assets held for resale	0	259,579
Prepaid expenses	602,280	379,669
Deferred tax asset - current portion	1,400,000	1,400,000
Total current assets	4,261,798	3,724,803
Equipment	1,337,959	1,166,103
Leasehold improvements	88,718	12,283
Total	1,426,677	1,178,386
Less accumulated depreciation and amortization	944,008	905,376
Net property and equipment	482,669	273,010
Deferred tax asset (net of current portion)	8,387,752	9,238,536
Other assets including long-term portion of receivables-net	4,209,576	3,924,404
Total assets	17,341,795	17,160,753
Liabilities and Stockholders' Equity
Current portion of long-term note payable to bank	1,250,000	1,250,000
Accounts payable and accrued expenses	296,785	510,710
Total current liabilities	1,546,785	1,760,710
Note payable to bank - net of current portion	2,083,333	3,020,833
Total long-term liabilities	2,083,333	3,020,833
Stockholders' equity:
Common stock - no par value (25,000,000 shares authorized, 19,516,589 issued and outstanding as of December 31, 2012 and 19,560,089 issued and outstanding as of September 30, 2013)	23,471,503	23,366,058
Preferred stock - no par value (5,000,000 shares authorized and 20,625 issued and outstanding as of December 31, 2012 and September 30, 2013)	800,250	800,250
Accumulated deficit	(10,560,076)	(11,787,098)
Total stockholders' equity	13,711,677	12,379,210
Total liabilities and stockholders' equity	$ 17,341,795	$ 17,160,753