Income Taxes - Additional Information (Details) - USD ($)		3 Months Ended
	Mar. 27, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Tax [Line Items]
Loss before income taxes		$ (2,029,000)	$ (2,111,000)
Uncertain tax positions		0
Uncertain tax positions are accounted as contra deferred tax assets		300,000
CARES Act
Income Tax [Line Items]
Refundable tax credit due to AMT credits		$ 429,000
CARES Act | Maximum
Income Tax [Line Items]
Percentage of refundable AMT credit	100.00%