v2.4.1.9
Accrued Expenses - Schedule of Accrued Expenses (Detail) (USD $)
Mar. 28, 2015
Dec. 27, 2014
Payables and Accruals [Abstract]    
Accrued dealer incentive program $ 187,587dvly_AccruedDealerIncentiveProgramCurrent $ 347,421dvly_AccruedDealerIncentiveProgramCurrent
Accrued third party billings 567,217us-gaap_AccountsPayableTradeCurrent 572,844us-gaap_AccountsPayableTradeCurrent
Accrued compensation 327,957us-gaap_EmployeeRelatedLiabilitiesCurrent 410,143us-gaap_EmployeeRelatedLiabilitiesCurrent
Accrued insurance 52,024us-gaap_AccruedInsuranceCurrent 86,644us-gaap_AccruedInsuranceCurrent
Accrued repurchase commitment 209,695dvly_AccruedRepurchaseCommitmentCurrent 179,065dvly_AccruedRepurchaseCommitmentCurrent
Other 226,376us-gaap_OtherAccruedLiabilitiesCurrent 194,315us-gaap_OtherAccruedLiabilitiesCurrent
Total Accrued Expenses $ 1,570,856us-gaap_AccruedLiabilitiesCurrent $ 1,790,432us-gaap_AccruedLiabilitiesCurrent