| NOTES PAYABLE - Schedule of Payment Amounts (Details) (Notes Payable) | 12 Months Ended | |||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 31, 2014
 Prime Table Games LLC
 USD ($) | Dec. 31, 2013
 Prime Table Games LLC
 USD ($) | Dec. 31, 2012
 Prime Table Games LLC
 USD ($) | Dec. 31, 2014
 Prime Table Games UK
 GBP (£) | Dec. 31, 2013
 Prime Table Games UK
 GBP (£) | Dec. 31, 2012
 Prime Table Games UK
 GBP (£) | Dec. 31, 2018
 Scenario Forecast
 Prime Table Games LLC
 USD ($) | Dec. 31, 2017
 Scenario Forecast
 Prime Table Games LLC
 USD ($) | Dec. 31, 2016
 Scenario Forecast
 Prime Table Games LLC
 USD ($) | Dec. 31, 2015
 Scenario Forecast
 Prime Table Games LLC
 USD ($) | Dec. 31, 2018
 Scenario Forecast
 Prime Table Games UK
 GBP (£) | Dec. 31, 2017
 Scenario Forecast
 Prime Table Games UK
 GBP (£) | Dec. 31, 2016
 Scenario Forecast
 Prime Table Games UK
 GBP (£) | Dec. 31, 2015
 Scenario Forecast
 Prime Table Games UK
 GBP (£) | |||||||||||||||||
| Debt Instrument [Line Items] | ||||||||||||||||||||||||||||||
| Monthly Payment Amount | $ 160,000us-gaap_DebtInstrumentPeriodicPaymentPrincipal / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesLLCMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember | [1] | $ 130,000us-gaap_DebtInstrumentPeriodicPaymentPrincipal / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesLLCMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember | [1] | $ 100,000us-gaap_DebtInstrumentPeriodicPaymentPrincipal / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesLLCMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember | [1] | £ 89,600us-gaap_DebtInstrumentPeriodicPaymentPrincipal / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesUKMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember | [1] | £ 76,800us-gaap_DebtInstrumentPeriodicPaymentPrincipal / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesUKMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember | [1] | £ 64,000us-gaap_DebtInstrumentPeriodicPaymentPrincipal / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesUKMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember | [1] | $ 220,000us-gaap_DebtInstrumentPeriodicPaymentPrincipal / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesLLCMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember | [1] | $ 220,000us-gaap_DebtInstrumentPeriodicPaymentPrincipal / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesLLCMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember | [1] | $ 220,000us-gaap_DebtInstrumentPeriodicPaymentPrincipal / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesLLCMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember | [1] | $ 190,000us-gaap_DebtInstrumentPeriodicPaymentPrincipal / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesLLCMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember | [1] | £ 115,200us-gaap_DebtInstrumentPeriodicPaymentPrincipal / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesUKMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember | [1] | £ 115,200us-gaap_DebtInstrumentPeriodicPaymentPrincipal / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesUKMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember | [1] | £ 115,200us-gaap_DebtInstrumentPeriodicPaymentPrincipal / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesUKMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember | [1] | £ 102,400us-gaap_DebtInstrumentPeriodicPaymentPrincipal / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesUKMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember | [1] | ||
| Interest Rate | 5.00%us-gaap_DebtInstrumentInterestRateDuringPeriod / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesLLCMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember | 4.00%us-gaap_DebtInstrumentInterestRateDuringPeriod / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesLLCMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember | 3.00%us-gaap_DebtInstrumentInterestRateDuringPeriod / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesLLCMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember | 5.00%us-gaap_DebtInstrumentInterestRateDuringPeriod / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesUKMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember | 4.00%us-gaap_DebtInstrumentInterestRateDuringPeriod / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesUKMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember | 3.00%us-gaap_DebtInstrumentInterestRateDuringPeriod / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesUKMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember | 9.00%us-gaap_DebtInstrumentInterestRateDuringPeriod / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesLLCMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember | 8.00%us-gaap_DebtInstrumentInterestRateDuringPeriod / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesLLCMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember | 7.00%us-gaap_DebtInstrumentInterestRateDuringPeriod / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesLLCMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember | 6.00%us-gaap_DebtInstrumentInterestRateDuringPeriod / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesLLCMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember | 9.00%us-gaap_DebtInstrumentInterestRateDuringPeriod / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesUKMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember | 8.00%us-gaap_DebtInstrumentInterestRateDuringPeriod / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesUKMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember | 7.00%us-gaap_DebtInstrumentInterestRateDuringPeriod / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesUKMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember | 6.00%us-gaap_DebtInstrumentInterestRateDuringPeriod / us-gaap_BusinessAcquisitionAxis = glxz_PrimeTableGamesUKMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember | ||||||||||||||||
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- Definition The average effective interest rate during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Details 
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- Definition Amount of the required periodic payments applied to principal. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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