Commitments - Additional Information (Detail)	1 Months Ended		9 Months Ended
	Mar. 31, 2015 USD ($) ft²	Apr. 30, 2014 USD ($)	Jul. 31, 2015 USD ($) ft²
Commitments And Contingencies [Line Items]
Operating Leases, Rent Expense, Net, Total			$ 399,000
Minimum annual rental payments		$ 19,000
Lease Expiration Date		Mar. 31, 2017
Yaphank [Member] | Commitments [Member]
Commitments And Contingencies [Line Items]
Lease Expiration Date			Jun. 30, 2016
Area of Land | ft²			12,000
Operating Leases, Rent Expense			$ 13,000
Las Vegas [Member] | Commitments [Member]
Commitments And Contingencies [Line Items]
Lease Expiration Date	Apr. 30, 2016
Area of Land | ft²	4,500
Operating Leases, Rent Expense	$ 4,270
East Brunswick [Member] | Commitments [Member]
Commitments And Contingencies [Line Items]
Lease Expiration Date			Sep. 30, 2017
Area of Land | ft²			15,000
Operating Leases, Rent Expense			$ 11,655
Milford [Member] | Commitments [Member]
Commitments And Contingencies [Line Items]
Lease Expiration Date			Aug. 30, 2017
Area of Land | ft²			13,750
Operating Leases, Rent Expense			$ 8,307