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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2013 | Mar. 31, 2012 | Dec. 31, 2012 | Dec. 31, 2011
Cash flows from operating activities: |  |  |  |
Net loss | $ (3,437,508) | $ (2,109,325) | $ (9,417,958) | $ (9,219,220)
Adjustments to reconcile net loss to net cash used for operating activities: |  |  |  |
Depreciation | 23,140 | 55,691 | 187,749 | 273,528
Amortization of intangible assets | 14,687 | 29,419 | 127,080 | 67,147
Loss on impairment |  |  | 299,654 |
Loss on abandonment of license |  |  | 147,826 |
Amortization of deferred financing costs | 44,216 | 22,713 | 352,667 | 1,223,126
Amortization of debt discount |  | 12,238 | 161,529 | 23,643
Share-based compensation | 259,912 | 157,860 | 495,077 | 250,044
Directors Stock Compensation | 0 |  | 0 | 15,000
Stock grant for service |  |  | 21,375 |
Cancellation of shares |  |  | (14,999) |
Change in fair value of warrant liability |  |  |  | (62,305)
Interest added to note payable | 858,151 |  | 780,252 | 55,562
Change in assets and liabilities: |  |  |  |
Accounts receivable | (129,049) | (96,329) | (252,435) | (368,954)
Inventory | (269,144) | (365,796) | (1,390,570) | 142,249
Prepaid expenses and other | 45,223 | (106,033) | (53,757) | 20,070
Accounts payable and accrued expenses | (60,814) | (78,727) | (105,348) | 500,820
Net cash used for operating activities | (2,651,186) | (2,478,289) | (8,661,858) | (7,079,290)
Cash flows from investing activities: |  |  |  |
Purchase of property and equipment | (26,007) | (29,313) | (48,459) | (20,610)
Acquisition of intangible assets | (31,415) | (41,236) | (78,825) | (68,856)
Cash acquired with Merger |  |  |  | 7,201,638
Net cash (used for) provided by investing activities | (57,422) | (70,549) | (127,284) | 7,112,172
Cash flows from financing activities: |  |  |  |
Proceeds from issuance of long-term debt |  |  |  | 10,500,000
Proceeds from issuance of note payable |  |  | 15,961,294 |
Proceeds from issuance of common stock |  |  |  | 1,000,000
Repayments of long-term debt |  |  | (161,292) | (4,732,857)
Debt issuance costs |  |  | (1,309,834) | (434,772)
Proceeds from exercise of stock options | 1,654 | 63 | 15,652 | 26,480
Payment of fractional shares from Merger |  | (59) | (58) |
Net cash provided by financing activities | 1,654 | 4 | 14,505,762 | 6,358,851
Net increase (decrease)in cash and cash equivalents | (2,706,954) | (2,548,834) | 5,716,620 | 6,391,733
Cash and cash equivalents, beginning of year | 13,907,401 | 8,190,781 | 8,190,781 | 1,799,048
Cash and cash equivalents, end of period | 11,200,447 | 5,641,947 | 13,907,401 | 8,190,781
Supplemental disclosures of cash flow activity: |  |  |  |
Cash paid for interest | 172,527 | 125,125 | 649,108 | 1,029,753
Supplemental disclosure of non-cash investing and financing activities: |  |  |  |
Payments of long term debt with proceeds from note payable (this amount represents a payment made by PDL directly to MidCap Financial SBIC, LP) |  |  | 4,838,706 |
Conversion of preferred stock, convertible debt and accrued interest into common stock |  |  |  | 21,497,955
Preferred stock dividend payable forfeited with the Merger |  |  |  | 7,076,729
Warrant Liability forfeited with the Merger |  |  |  | 2,607,510
Debt discount related to warrants issued with debt |  |  |  | 173,736
Net assets acquired on Merger |  |  |  | 11,847,916
Note and accrued interest retired with the Merger |  |  |  | 4,555,562
Directors stock compensation included in prepaid expenses |  |  |  | 60,000
Series B Preferred Stock |  |  |  |
Supplemental disclosure of non-cash investing and financing activities: |  |  |  |
Accretion of dividends preferred stock |  |  |  | 292,330
Series C Preferred Stock |  |  |  |
Supplemental disclosure of non-cash investing and financing activities: |  |  |  |
Accretion of dividends preferred stock |  |  |  | 515,577
Series D Preferred Stock |  |  |  |
Supplemental disclosure of non-cash investing and financing activities: |  |  |  |
Accretion of dividends preferred stock |  |  |  | $ 220,444

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Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_SupplementalCashFlowInformationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Value of accretion of temporary equity during the period due to unpaid dividends. + References No definition available. + Details
Name: | us-gaap_TemporaryEquityAccretionOfDividends
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration