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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Cash Flows From Operating Activities:    
Net income $ 497,251 $ 195,306
Loss from discontinued operations 461,752 124,933
Income from continuing operations 959,003 320,239
Adjustments to reconcile net income to net cash (used in) provided by operating activities of continuing operations:    
Depreciation and amortization 152,427 87,691
Gain on marketable securities (18,112)   
Stock based compensation 8,942 8,942
Stock issued as compensation for consulting services 76,365   
Changes in operating assets and liabilities:    
Trade receivables 1,002,636 417,500
Inventories (740,883) 588,148
Prepaid expenses (26,279) (52,738)
Other assets (219) (7,167)
Accounts payable and accrued expenses (2,685,292) (808,900)
Customer deposits and other liabilities (834,869) 1,313,315
Net cash (used in) provided by operating activities of continuing operations (2,106,281) 1,867,030
Cash Flows From Investing Activities:    
Payments for property and equipment (209,970) 290,795
Purchase of available-for-sale investments (95,000)   
Net cash (used in) provided by used in investing activities of continuing operations (304,970) 290,795
Cash Flows From Financing Activities:    
Repayment of debt (109,334) (190,511)
Payments on capital lease obligations (5,575)   
Net cash used in financing activities of continuing operations (114,909) (190,511)
Cash Flows From Discontinued Operations:    
Net cash used in operating activities of discontinued operations (96,390) (1,265,391)
Net change in cash (2,622,550) 701,923
Cash, beginning of period 5,976,928 732,449
Cash, end of period 3,354,378 1,434,372
Supplemental Disclosures:    
Interest 91,645 88,799
Income taxes