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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 $ (26,766,572) $ (51,025,744)
Loss from discontinued operations 0 27,260,584
Adjustments to reconcile net loss to net cash used in operating activities:    
Common stock, stock options and warrants issued as payment for compensation, services rendered 5,412,451 5,471,166
Depreciation and amortization 1,197,801 1,160,596
Amortization of preferred stock discount and issuance cost 0 1,195,217
Changes in fair value of derivative liability 12,952 (46,910)
Gain (Loss) on Sale of Property Plant Equipment   12,964
Bad debt (recovery) expense (232,531) 328,003
Deferred Income Taxes 492,325 0
Prepaid expenses and other current assets (663,543) 4,337
Accounts receivable (108,363) (1,112,107)
Inventory 583,659 199,700
Unearned revenues (446,399) (368,510)
Other assets 421 (187,123)
Accounts payable, accrued expenses and other current liabilities 780,100 711,997
Net cash used in operating activities - continuing operations (19,737,699) (16,395,830)
Net cash provided by operating activities - discontinued operations 0 12,168,199
Net cash used in operating activities (19,737,699) (4,227,631)
Cash flows from investing activities:    
Proceeds from Divestiture of Businesses 0 2,728,000
Acquisition of property and equipment (948,644) (197,577)
Net cash (used in) provided by investing activities - continuing operations (948,644) 2,530,423
Net cash used in investing activities - discontinued operations 0 (5,218,531)
Net cash used in investing activities (948,644) (2,688,108)
Cash flows from financing activities:    
Proceeds from Stock Options Exercised 86,658 0
Proceeds from exercise of warrants 2,126,291 5,925,931
Net proceeds from issuance of capital stock 21,517,422 12,160,227
Repayment of mortgage loan (150,294) (141,353)
Proceeds from notes payable 709,741 223,433
Repayment of notes payable (332,713) (187,956)
Repayment of preferred stock 0 (2,258,852)
Payments of Dividends   (56,850)
Payment for warrant inducement 0 (1,012,819)
Change in warrant liabilities 62,014 43,716
Net cash provided by financing activities - continuing operations 23,895,091 15,620,864
Net cash used in financing activities - discontinued operations 0 (5,198,330)
Net cash provided by financing activities 23,895,091 10,422,534
Impact of changes of foreign exchange rates 0 (72,136)
Net increase in cash and cash equivalents 3,208,748 3,434,659
Cash and cash equivalents at beginning of period 13,737,452 12,745,432
Cash and cash equivalents at end of period 16,946,200 16,180,091
Less cash and cash equivalents of discontinued operations at end of period 0 10,789,480
Cash and cash equivalents of continuing operations at end of period 16,946,200 5,390,611
Supplemental Disclosure of Cash Flow Information:    
Interest 202,800 1,655,600
Taxes 0 1,841,400
Capitalized interest 0 154,700
Common stock issued pursuant to the redemption of Convertible Redeemable Series E 7% Preferred Stock 0 1,026,600
Common stock issued in payment of dividends for the Convertible Redeemable Series E 7% Preferred Stock $ 0 $ 175,700