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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Cash Flows From Operating Activities:    
Net loss $ (1,227,315) $ (888,788)
(Loss) income from discontinued operations, net of tax (164) 44,247
Loss from continuing operations, net of tax (1,227,151) (933,035)
Adjustments to reconcile loss from continuing operations to net cash used in operating activities of continuing operations:    
Depreciation and amortization 209,400 222,332
Stock based compensation to employees, officers and directors 38,322 36,882
Changes in operating assets and liabilities:    
Trade receivables, net 33,462 732,597
Inventories (72,208) 884,361
Prepaid expenses (50,665) (83,659)
Other assets 86,871 1,035
Accounts payable and accrued expenses 705,449 (2,028,212)
Customer deposits and other liabilities (237,905) 573,072
Net cash used in operating activities of continuing operations (514,425) (594,627)
Cash Flows From Investing Activities:    
Purchases of property and equipment (99,045) (76,831)
Net cash used in investing activities of continuing operations (99,045) (76,831)
Cash Flows From Financing Activities:    
Repayment of debt (68,857) (64,408)
Payments on capital lease obligations (5,971) (6,666)
Net cash used in financing activities of continuing operations (74,828) (71,074)
Cash Flows From Discontinued Operations:    
Net cash (used in) provided by operating activities of discontinued operations (164) 2,897
Net change in cash and cash equivalents (688,462) (739,635)
Cash and cash equivalents, beginning of period 1,752,711 2,184,435
Cash and cash equivalents, end of period 1,064,249 1,444,800
Supplemental Disclosures:    
Interest 151,390 149,884
Income taxes $ 0 $ 0