Fair Value of Financial Instruments - Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Detail) - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Assets:
Assets	$ 41,099,498	$ 44,412,319
Money Market Funds [Member]
Assets:
Assets	14,402,855	9,506,499
Treasury bills [Member]
Assets:
Assets	16,993,523	24,983,520
Treasury Notes [Member]
Assets:
Assets	9,703,120	9,922,300
Level 1 [Member]
Assets:
Assets	41,099,498	44,412,319
Level 1 [Member] | Money Market Funds [Member]
Assets:
Assets	14,402,855	9,506,499
Level 1 [Member] | Treasury bills [Member]
Assets:
Assets	16,993,523	24,983,520
Level 1 [Member] | Treasury Notes [Member]
Assets:
Assets	9,703,120	9,922,300
Level 2 [Member]
Assets:
Assets	0	0
Level 2 [Member] | Money Market Funds [Member]
Assets:
Assets	0	0
Level 2 [Member] | Treasury bills [Member]
Assets:
Assets	0	0
Level 2 [Member] | Treasury Notes [Member]
Assets:
Assets	0	0
Level 3 [Member]
Assets:
Assets	0	0
Level 3 [Member] | Money Market Funds [Member]
Assets:
Assets	0	0
Level 3 [Member] | Treasury bills [Member]
Assets:
Assets	0	0
Level 3 [Member] | Treasury Notes [Member]
Assets:
Assets	$ 0	$ 0