Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Cash flows from operating activities:
Net loss	$ (39,485,334)	$ (66,369,311)
Loss from discontinued operations	0	30,267,990
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 and interest expense	6,838,559	6,712,536
Depreciation and amortization	1,605,608	1,550,571
Amortization of preferred stock discount and issuance cost	0	1,609,495
Changes in fair value of derivative liability	(77,981)	(373,307)
Changes in acquisition-related contingent consideration	1,900,000	4,420,000
Loss on disposal of assets	0	13,653
Bad debt (recovery) expense	(234,225)	511,755
Deferred income taxes	780,104	(175,533)
Prepaid expenses and other current assets	(758,798)	(178,011)
Accounts receivable	(573,005)	(554,884)
Inventory	(157,198)	(465,280)
Unearned revenues	348,260	178,008
Other assets	(204,422)	2,414,842
Accounts payable, accrued expenses and other liabilities	2,916,739	1,677,551
Net cash used in operating activities - continuing operations	(27,101,693)	(18,759,925)
Net cash provided by operating activities - discontinued operations	0	4,907,407
Net cash used in operating activities	(27,101,693)	(13,852,518)
Cash flows from investing activities:
Cash received in divestiture	0	12,280,000
Acquisition of property and equipment	(2,691,471)	(531,315)
Net cash provided by (used in) investing activities - continuing operations	(2,691,471)	11,748,685
Net cash used in investing activities - discontinued operations	0	(5,660,305)
Net cash provided by (used in) investing activities	(2,691,471)	6,088,380
Cash flows from financing activities:
Net proceeds from exercise of options	150,658	0
Net proceeds from exercise of warrants	3,028,241	6,604,418
Net proceeds from issuance of capital stock	58,736,165	16,428,827
Repayment of mortgage loan	(201,754)	(196,585)
Proceeds from notes payable	1,041,347	666,501
Repayment of notes payable	(503,172)	(440,477)
Repayment of preferred stock	0	(5,394,263)
Payment of dividend for preferred stock	0	(327,748)
Payment for warrant inducement	(62,014)	(228,676)
Net cash provided by financing activities - continuing operations	62,189,471	17,111,997
Net cash used in provided by financing activities - discontinued operations	0	(8,370,228)
Net cash provided by financing activities	62,189,471	8,741,769
Impact of changes of foreign exchange rates	0	14,389
Net increase in cash and cash equivalents	32,396,307	992,020
Cash and cash equivalents at beginning of period	13,737,452	12,745,432
Cash and cash equivalents at end of period	46,133,759	13,737,452
Cash paid during the period for:
Interest	274,100	1,771,800
Taxes	0	2,100,000
Supplemental Schedule of non-cash investing activities:
Capitalized interest	0	182,000
Common stock, warrants and options received upon sale of Erye	0	1,117,901
Supplemental schedule of non-cash financing activities
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