Long term debt (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Total debt	$ 9,000,000us-gaap_LongTermDebt	$ 5,301,328us-gaap_LongTermDebt
Less discount	0	96,161
Less current portion	9,000,000us-gaap_OtherLongTermDebtCurrent	5,205,167us-gaap_OtherLongTermDebtCurrent
Long term debt, excluding current portion	0us-gaap_OtherLongTermDebtNoncurrent	0us-gaap_OtherLongTermDebtNoncurrent
Demand Note Payable [Member]
Debt Instrument [Line Items]
Total debt	9,000,000	0
Loan Secured Through An Inter Creditor Agreement With The Republic Bank And Trust [Member]
Debt Instrument [Line Items]
Total debt	$ 0	$ 5,301,328

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 30

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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- Definition

Carrying value as of the balance sheet date of the portion of long-term debt not otherwise specified in the taxonomy that is scheduled to be repaid within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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- Definition

Carrying value as of the balance sheet date of debt not otherwise defined (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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- Details

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- Details

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