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Commitments and Contingencies (Details 2) (USD $)
12 Months Ended
Dec. 31, 2014
item
Dec. 31, 2013
Lease commitments    
2015 $ 205,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent  
2016 88,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears  
2017 88,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears  
2018 88,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears  
2019 87,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears  
Thereafter 1,260,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter  
Total future minimum rental payments 1,816,000us-gaap_OperatingLeasesFutureMinimumPaymentsDue  
Rental expense $ 197,000us-gaap_OperatingLeasesRentExpenseNet $ 193,000us-gaap_OperatingLeasesRentExpenseNet
Employment agreements    
Employment agreements with Chief Executive Officer and Chief Financial Officer, initial term 36 months  
Number of officers with whom change in control agreements are entered 3gtwn_EmploymentAgreementsNumberOfOfficersWithWhomChangeInControlAgreementsEntered  
Change in control agreements, period 12 months  
Lease agreement, one    
Lease commitments    
Extended additional term of operating lease 10 years  
Lease agreement, two    
Lease commitments    
Extended additional term of operating lease 5 years  
Number of additional five year terms for lease extensions 2gtwn_OperatingLeasesNumberOfAdditionalFiveYearTermsForLeaseExtension
/ us-gaap_TypeOfArrangementAxis
= gtwn_LeaseAgreementTwoMember