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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual) (USD $)
3 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Mar. 31, 2014
Summary Of Significant Accounting Policies [Line Items]      
Concentration Risk, Credit Risk, Financial Instrument, Maximum Exposure $ 250,000us-gaap_ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposure    
Public Shares Redemption Limit On Net Tangible Assets 5,000,001gdef_PublicSharesRedemptionLimitOnNetTangibleAssets    
Temporary Equity, Shares Outstanding 6,091,533us-gaap_TemporaryEquitySharesOutstanding 6,125,315us-gaap_TemporaryEquitySharesOutstanding 6,214,078us-gaap_TemporaryEquitySharesOutstanding
Temporary Equity, Redemption Price Per Share $ 10.55us-gaap_TemporaryEquityRedemptionPricePerShare $ 10.55us-gaap_TemporaryEquityRedemptionPricePerShare  
Deferred Tax Assets, Operating Loss Carryforwards, Total $ 995,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards $ 856,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards  
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities 121,819us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities