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Long-Term Debt - Additional Information (Details) - USD ($)		1 Months Ended		3 Months Ended		6 Months Ended		12 Months Ended
	Apr. 30, 2021	Sep. 30, 2018	Jun. 30, 2018	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2014
Debt Instrument [Line Items]
Loan forgiveness						$ 1,000,000	$ 0
Interest expense, Debt				$ 8,125	$ 16,250	$ 24,375	$ 32,500
2014 Assistance Agreement | State of Connecticut
Debt Instrument [Line Items]
Debt instrument maturity month and year								2024-01
Debt instrument face amount								$ 2,500,000
Percentage of liquidated damages								7.50%
2018 Assistance Agreement | State of Connecticut
Debt Instrument [Line Items]
Debt instrument maturity month and year		2028-09
Debt instrument face amount		$ 2,000,000.0
Percentage of liquidated damages		7.50%
Percentage of maximum funding on total project costs			50.00%
Debt instrument bearing interest rate		3.25%
Debt instrument interest payments term		60 months
Debt instrument amortization period after interest payments period		120 months
Loan forgiveness	$ 1,000,000.0
2018 Assistance Agreement | State of Connecticut | Maximum
Debt Instrument [Line Items]
Debt instrument face amount			$ 2,000,000.0
Forgiveness of funding on achieving certain employment conditions		$ 1,000,000.0

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Decrease for amounts of indebtedness forgiven by the holder of the debt instrument.

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-Topic 235
-SubTopic 10
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