CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash Flows From Operating Activities:
Net loss	$ (822,145)	$ (1,910,282)
Loss from discontinued operations		600,822
Loss from continuing operations	(822,145)	(1,309,460)
Adjustments to reconcile loss from continuing operations to net cash used in operating activities of continuing operations:
Depreciation and amortization	356,656	295,923
Gain on marketable securities		(18,112)
Stock based compensation		17,884
Stock issued as compensation for consulting services		76,365
Changes in operating assets and liabilities:
Trade receivables, net	408,619	427,375
Inventories	(1,615,284)	(2,200,484)
Prepaid expenses	100,846	(99,188)
Other assets	(66,615)	(7,380)
Accounts payable and accrued expenses	1,109,515	(1,707,486)
Customer deposits and other liabilities	(1,188,714)	318,591
Net cash used in operating activities of continuing operations	(1,717,122)	(4,205,972)
Cash Flows From Investing Activities:
Payments for property and equipment	(431,148)	(760,817)
Purchase of available-for-sale investments		(95,000)
Net cash used in investing activities of continuing operations	(431,148)	(855,817)
Cash Flows From Financing Activities:
Repayment of debt	(84,773)	(236,444)
Payments on capital lease obligations	(18,333)	(11,395)
Net cash used in financing activities of continuing operations	(103,106)	(247,839)
Cash Flows From Discontinued Operations:
Net cash provided by operating activities of discontinued operations		997,876
Net change in cash	(2,251,376)	(4,311,752)
Cash, beginning of period	4,911,087	5,976,928
Cash, end of period	2,659,711	1,665,176
Supplemental Disclosures:
Cash paid during the period for: Interest	42,615	101,999
Cash paid during the period for: Income taxes
Non cash activities:
Equipment purchased with capital lease	$ 58,563