Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Line Items]
Federal statutory income tax rate	21.00%	21.00%
Net operating loss carryforward	$ 3,600,298	$ 3,865,253
Net operating loss carryforward, expiration year	2038
AMT credits	$ 14,754
Deferred tax assets, valuation allowance	0	0
Interest and penalties recognized	0	$ 0
Reserve discount difference amortized period		8 years
Tax cuts and job act, deferred Income taxes, tax-effected difference amount			$ 201,439
Tax cuts and job act, deferred income taxes, pre-tax difference amount			$ 959,235
Reserve discount, adjusted pre-tax amount	1,249,684
Deferred tax liability related to TCJA transitional adjustment	224,943	$ 314,446
Internal Revenue Code [Member]
Income Tax Disclosure [Line Items]
Net operating loss carryforward	$ 4,313,198