Income Taxes - Additional Information (Details) - USD ($)		3 Months Ended
	Mar. 27, 2020	Sep. 30, 2020	Sep. 30, 2019
Income Tax [Line Items]
Loss before income taxes		$ (2,111,000)	$ (2,068,000)
Effective tax rate for continuing operations		0.00%	0.00%
Federal statutory effective tax rate		21.00%	21.00%
Unrecognized tax benefits		$ 0	$ 0
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%