Lease Obligations - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Leases [Abstract]
Non-cancellable lease maturity period	2022-12
Operating lease rent expense	$ 346,603	$ 632,658
Amortization of lease incentive obligation	164,090	$ 115,782
Cash paid for operating lease liabilities	$ 380,805