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11. Revolving Credit Facilities and Long Term Debt (Details-Interest expense) - USD ($) | 9 Months Ended
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Sep. 30, 2015 | Sep. 30, 2014
Interest expense, debt | $ 4,795,727 | $ 3,816,297
Accrued PIK interest |  |
Interest expense, debt | 962,551 | 787,344
Amortization of OID |  |
Interest expense, debt | 127,378 | 102,566
Interest and commitment fees |  |
Interest expense, debt | 3,287,131 | 2,444,676
Amortization of debt issuance costs |  |
Interest expense, debt | 287,227 | 229,936
Amortization of warrant costs |  |
Interest expense, debt | 484,012 | 468,670
Interest capitalized |  |
Interest expense, debt | $ (352,572) | $ (216,895)

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- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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