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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Cash Flows From Operating Activities:    
Net loss $ (2,254,099) $ (2,446,172)
Loss from discontinued operations    706,641
Loss from continuing operations (2,254,099) (1,739,531)
Adjustments to reconcile loss from continuing operations to net cash used in operating activities of continuing operations:    
Depreciation and amortization 543,735 448,260
Gain on marketable securities    (59,313)
Stock based compensation    26,826
Stock issued as compensation for consulting services    76,365
Changes in operating assets and liabilities:    
Trade receivables, net 566,274 139,498
Inventories (1,593,001) (974,998)
Prepaid expenses 41,321 (140,097)
Other assets (55,071) (13,973)
Accounts payable and accrued expenses 1,736,641 (1,115,383)
Customer deposits and other liabilities (694,598) 618,745
Net cash used in operating activities of continuing operations (1,708,798) (2,733,601)
Cash Flows From Investing Activities:    
Payments for property and equipment (619,894) (882,760)
Purchase of available-for-sale investments    (95,000)
Proceeds from sales of available-for-sale investments    154,313
Net cash used in investing activities of continuing operations (619,894) (823,447)
Cash Flows From Financing Activities:    
Repayment of debt (116,010) (277,432)
Payments on capital lease obligations (28,119) (17,471)
Repayment of line of credit    (3,566,545)
Proceeds from line of credit with related party    3,583,358
Debt issuance costs    (56,150)
Net cash used in financing activities of continuing operations (144,129) (334,240)
Cash Flows From Discontinued Operations:    
Net cash provided by operating activities of discontinued operations    690,322
Net change in cash (2,472,821) (3,200,966)
Cash, beginning of period 4,911,087 5,976,928
Cash, end of period 2,438,266 2,775,962
Supplemental Disclosures:    
Cash paid during the period for: Interest 59,468 141,052
Cash paid during the period for: Income taxes      
Non cash activities:    
Equipment purchased with capital lease $ 58,563