Commitments and Contingencies - Additional Information (Detail) - USD ($)	1 Months Ended	6 Months Ended
	Dec. 31, 2016	Sep. 30, 2017	Aug. 31, 2017	Mar. 31, 2017	Nov. 22, 2016
Commitments And Contingencies [Line Items]
Operating Leases, Rent Expense, Minimum Rentals		$ 37,913
Deferred Rent Credit, Noncurrent		683,504		$ 747,418
Revolving Loan Commitment [Member]
Commitments And Contingencies [Line Items]
Revolving Loan Commitment					$ 2,000,000
Minimum [Member]
Commitments And Contingencies [Line Items]
Operating Leases, Rent Expense, Contingent Rentals		43,957
Revolving Loan Commitment			$ 2,000,000
Maximum [Member]
Commitments And Contingencies [Line Items]
Revolving Loan Commitment			$ 3,000,000
New Premises [Member]
Commitments And Contingencies [Line Items]
Deferred Rent Credit, Noncurrent		648,000
New Premises [Member] | Minimum [Member]
Commitments And Contingencies [Line Items]
Operating Leases, Rent Expense, Contingent Rentals		$ 228,049
Warren Hosseinion [Member]
Commitments And Contingencies [Line Items]
Salaries, Wages and Officers' Compensation, Total	$ 1,550,000
Adrian Vazquez [Member]
Commitments And Contingencies [Line Items]
Salaries, Wages and Officers' Compensation, Total	1,550,000
Gray Augusta [Member]
Commitments And Contingencies [Line Items]
Salaries, Wages and Officers' Compensation, Total	1,550,000
Mihir Shah [Member]
Commitments And Contingencies [Line Items]
Salaries, Wages and Officers' Compensation, Total	$ 1,550,000