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Other Long-Term Obligations and Commitments - Summary of Operating and Financing Lease Obligation (Detail)	Jun. 30, 2021 USD ($)
Commitments and Contingencies Disclosure [Abstract]
2021	$ 299,000
2022	158,000
2023	17,000
Total undiscounted lease payments	474,000
Less: Amount associated with discounting	(21,000)
Net operating lease liabilities	$ 453,000

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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-Publisher FASB
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-SubTopic 20
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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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