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Consolidated Statements of Cash Flows (USD $) | 6 Months Ended
--- | ---
Jun. 30, 2013 | Jun. 30, 2012
Cash flows from operating activities: |  |
Net loss | $ (17,489,971) | $ (42,629,781)
Loss from discontinued operations | 0 | 27,412,679
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 | 3,314,197 | 3,555,011
Depreciation and amortization | 832,920 | 774,773
Amortization of preferred stock discount and issuance cost | 0 | 872,736
Changes in fair value of derivative liability | (68,556) | (111,517)
Bad debt expense (recovery) | (7,178) | 233,800
Deferred Income Taxes | 447,568 | 0
Prepaid expenses and other current assets | (190,150) | (195,927)
Accounts receivable | 359,163 | (524,115)
Inventory | 1,081,060 | (513,598)
Unearned revenues | (1,106,299) | 497,613
Other assets | (25,805) | (180,000)
Accounts payable, accrued expenses and other current liabilities | (272,718) | 963,948
Net cash used in operating activities - continuing operations | (13,125,769) | (9,844,378)
Net cash provided by operating activities - discontinued operations | 0 | 8,992,032
Net cash used in operating activities | (13,125,769) | (852,346)
Cash flows from investing activities: |  |
Acquisition of property and equipment | (268,535) | (176,011)
Net cash used in investing activities - continuing operations | (268,535) | (176,011)
Net cash used in investing activities - discontinued operations | 0 | (2,140,792)
Net cash used in investing activities | (268,535) | (2,316,803)
Cash flows from financing activities: |  |
Proceeds from exercise of warrants | 105,881 | 0
Net proceeds from issuance of capital stock | 14,248,148 | 9,951,227
Repayment of mortgage loan | (93,070) | (93,755)
Proceeds from notes payable | 221,218 | 223,433
Repayment of notes payable | (96,608) | (159,460)
Repayment of preferred stock | 0 | (1,391,926)
Payments of Dividends |  | (31,702)
Payment for warrant inducement | (6,239) | 0
Net cash provided by financing activities - continuing operations | 14,379,330 | 8,497,817
Net cash provided by financing activities - discontinued operations | 0 | 229,176
Net cash provided by financing activities | 14,379,330 | 8,726,993
Impact of changes of foreign exchange rates | 0 | (41,506)
Net increase in cash and cash equivalents | 985,026 | 5,516,338
Cash and cash equivalents at beginning of period | 13,737,452 | 12,745,432
Cash and cash equivalents at end of period | 14,722,478 | 18,261,770
Less cash and cash equivalents of discontinued operations at end of period | 0 | 16,149,188
Cash and cash equivalents of continuing operations at end of period | 14,722,478 | 2,112,582
Supplemental Disclosure of Cash Flow Information: |  |
Interest | 126,000 | 1,243,700
Taxes | 0 | 811,500
Capitalized interest | 0 | 106,400
Common stock issued pursuant to the redemption of Convertible Redeemable Series E 7% Preferred Stock | 0 | 717,700
Common stock issued in payment of dividends for the Convertible Redeemable Series E 7% Preferred Stock | $ 0 | $ 130,700

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- Definition The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3291-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 20 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
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