Quarterly report pursuant to Section 13 or 15(d)

Subsequent Event - Additional Information (Detail)

v2.4.1.9
Subsequent Event - Additional Information (Detail) (Subsequent Event [Member], USD $)
0 Months Ended
May 07, 2015
Subsequent Event [Line Items]  
Periodic principal payment $ 167,000us-gaap_DebtInstrumentPeriodicPaymentPrincipal
Line of Credit [Member]  
Subsequent Event [Line Items]  
Credit facility, maximum borrowing capacity 4,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Line of Credit [Member] | Prime Rate [Member]  
Subsequent Event [Line Items]  
Basis spread on variable rate 1.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
/ us-gaap_VariableRateAxis
= us-gaap_PrimeRateMember
Secured Debt [Member]  
Subsequent Event [Line Items]  
Term note, face amount 6,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Stated interest rate, minimum 5.25%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Deferred interest due upon maturity $ 180,000us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Secured Debt [Member] | Prime Rate [Member]  
Subsequent Event [Line Items]  
Basis spread on variable rate 2.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
/ us-gaap_VariableRateAxis
= us-gaap_PrimeRateMember