Income Taxes (Tables)

12 Months Ended

Sep. 30, 2022

Income Taxes

Schedule of components of income taxes

	For the Fiscal Year Ended September 30,
	2022		2021		2020
Current provision (benefit):
Federal	$	522,473	$	95,818	$	(309,401)
State		277,991		9,911		481
Total current provision (benefit)		800,464		105,729		(308,920)
Deferred provision (benefit)
Federal		998,585		(754,995)		—
State		18,782		(438,517)		38
Total deferred provision (benefit)		1,017,367		(1,193,511)		38
Total current and deferred provision (benefit)	$	1,817,831	$	(1,087,783)	$	(308,882)

Schedule of reconciliation of the statutory federal rate to the Company's effective income tax rate

	For the Fiscal Year Ended September 30,
	2022		2021		2020
U.S. Federal statutory tax rate	21.00	%	21.00	%	21.00	%
Rate change due to tax reform	0.0	%	0.0	%	0.0	%
State income taxes, net of federal benefit	11.8	%	0.6	%	(2.2)	%
Permanent items	0.1	%	0.2	%	(6.3)	%
Research and development tax credits	(0.1)	%	(0.6)	%	(10.6)	%
Valuation allowance	(6.4)	%	(47.9)	%	(15.2)	%
Change in unrecognized tax benefits	(1.5)	%	(0.7)	%	2.2	%
123R cancellations and forfeitures	0.3	%	0.0	%	0.0	%
Tax Law Changes: CARES Act	0.0	%	0.0	%	0.3	%
Other	(0.5)	%	0.0	%	0.3	%
Effective income tax rate	24.7	%	(27.4)	%	(10.4)	%

Schedule of deferred tax assets and liabilities

	As of September 30,
	2022		2021		2020
	Non Current		Non Current		Non Current
Deferred tax assets:
Reserves and accruals	$	651,321	$	654,624	$	698,233
Research and development credit		—		1,327,162		1,589,247
NOL carryforwards -fed/state		984,004		1,612,043		2,192,018
Depreciation		—		—		(807,522)
Stock options		45,069		41,652		5,296
Other		—		—		—
		1,680,394		3,635,481		3,677,272
Less: Valuation allowance		(981,816)		(1,449,204)		(3,471,164)
Total deferred tax assets		698,578		2,186,277		206,108
Deferred tax liabilities:
Depreciation		(652,091)		(1,122,455)		(335,797)
Total deferred tax liabilities		(652,091)		(1,122,455)		(335,797)
Net deferred tax asset (liability)	$	46,487	$	1,063,822	$	(129,689)

Schedule of reconciliation of beginning and ending balances of total amounts of gross unrecognized tax benefits

	For the Fiscal Year Ended September 30,
	2022		2021		2020
Balance at beginning of year	$	590,000	$	615,000	$	546,000
Unrecognized tax benefits related to prior years		—		—		39,000
Unrecognized tax benefits related to current year		—		7,000		37,000
Decrease in unrecognized tax benefits due to the lapse of applicable statute of limitations		(138,000)		(32,000)		(7,000)
Balance at end of year	$	452,000	$	590,000	$	615,000