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16. Income Tax (Details 2) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012
Income Tax Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |
Income tax expense/(benefit) at the federal statutory rate |  |  |  |  |  |  |  |  | $ (8,306,690) | $ (1,823,598)
State tax expense (benefit) |  |  |  |  |  |  |  |  | (695,240) | (476,437)
Stock-based compensation |  |  |  |  |  |  |  |  | 555,883 | 25,464
Foreign tax rate differential |  |  |  |  |  |  |  |  | 219,762 | 475,342
Interest expense |  |  |  |  |  |  |  |  | 327,647 | 429,673
Credits |  |  |  |  |  |  |  |  | 0 | (150,452)
Gain on bargain purchase |  |  |  |  |  |  |  |  | 0 | (16,727,979)
Loss on debt extinguishment |  |  |  |  |  |  |  |  | 1,162,032 | 3,707,620
Cilion transaction costs |  |  |  |  |  |  |  |  | 0 | 302,271
Other |  |  |  |  |  |  |  |  | 69,195 | 196,721
Valuation allowance |  |  |  |  |  |  |  |  | 6,673,176 | 12,960,118
Income tax (expense)/benefit | $ 165 | $ 0 | $ 0 | $ 5,600 |  | $ (1,085,257) |  | $ 4,000 | $ 5,765 | $ (1,081,257)
Effective tax rate |  |  |  |  |  |  |  |  | (0.02%) | 20.16%

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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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