Income Taxes - Current and Deferred Tax Expense (Details) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Current:
Federal	$ 319,557	$ (185,473)	$ 474,927	$ 112,390
State	89,188	(59,256)	273,032	37,640
Total current income tax expense	408,745	(244,729)	747,959	150,030
Deferred:
Federal	(451,044)	64,367	212,159	(66,714)
State	(123,452)	2,910	18,704	64,513
Total deferred tax expense (benefit)	(574,496)	67,277	230,863	(2,201)
Income tax expense	$ (165,751)	$ (177,452)	$ 978,822	$ 147,829

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