Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Detail)

v2.4.1.9
Income Taxes - Additional Information (Detail) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Income Taxes [Line Items]    
Provision (Benefit) for federal and state income tax $ 0us-gaap_CurrentIncomeTaxExpenseBenefit  
Net operating loss carryforwards 1,408,745us-gaap_DeferredTaxAssetsOperatingLossCarryforwards 511,595us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Tax credit carryforwards 167,127us-gaap_DeferredTaxAssetsTaxCreditCarryforwards 73,206us-gaap_DeferredTaxAssetsTaxCreditCarryforwards
Uncertain tax position $ 0us-gaap_LiabilityForUncertainTaxPositionsCurrent $ 0us-gaap_LiabilityForUncertainTaxPositionsCurrent
Federal [Member]    
Income Taxes [Line Items]    
Operating loss carryforwards expiration year 2029  
State and Local Jurisdiction [Member]    
Income Taxes [Line Items]    
Operating loss carryforwards expiration year 2014