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Prepaid Expenses and Other Current Assets - Summary of Prepaid Expenses and Other Current Assets (Detail) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Prepaid expenses $ 704,446us-gaap_PrepaidExpenseCurrent $ 819,922us-gaap_PrepaidExpenseCurrent
Restricted deposits 57,700glyc_RestrictedDeposits 57,700glyc_RestrictedDeposits
Other receivables 1,000us-gaap_OtherReceivablesNetCurrent 22,334us-gaap_OtherReceivablesNetCurrent
Deposits 13,933us-gaap_DepositsAssetsCurrent 16,293us-gaap_DepositsAssetsCurrent
Total $ 777,079us-gaap_PrepaidExpenseAndOtherAssetsCurrent $ 916,249us-gaap_PrepaidExpenseAndOtherAssetsCurrent