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Related Party Transactions - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended
	Feb. 28, 2021	Mar. 28, 2021
Related Party Transaction [Line Items]
Stock Issued During Period, Value, New Issues		$ 14,940,000
Warrants [Member]
Related Party Transaction [Line Items]
Stock Issued During Period, Value, New Issues		$ 2,566,000
Private Placement [Member] | Minimum [Member]
Related Party Transaction [Line Items]
Ownership percentage related party	5.00%
Private Placement [Member] | Maximum [Member]
Related Party Transaction [Line Items]
Ownership percentage related party	8.50%
Private Placement [Member] | 180 Degree Capital Corp [Member]
Related Party Transaction [Line Items]
Issuance of common stock	201,514
Private Placement [Member] | 180 Degree Capital Corp [Member] | Warrants [Member]
Related Party Transaction [Line Items]
Issuance of common stock	80,605
Stock Issued During Period, Value, New Issues	$ 1,000,000.0
Private Placement [Member] | B&W Pension Trust [Member]
Related Party Transaction [Line Items]
Issuance of common stock	164,875
Private Placement [Member] | B&W Pension Trust [Member] | Warrants [Member]
Related Party Transaction [Line Items]
Issuance of common stock	65,950
Stock Issued During Period, Value, New Issues	$ 800,000
Private Placement [Member] | Agman Investments LLC [Member]
Related Party Transaction [Line Items]
Issuance of common stock	223,904
Private Placement [Member] | Agman Investments LLC [Member] | Warrants [Member]
Related Party Transaction [Line Items]
Issuance of common stock	89,561
Stock Issued During Period, Value, New Issues	$ 1,100,000
Private Placement [Member] | Ancora Holdings Inc [Member]
Related Party Transaction [Line Items]
Issuance of common stock	366,389
Private Placement [Member] | Ancora Holdings Inc [Member] | Warrants [Member]
Related Party Transaction [Line Items]
Issuance of common stock	146,555
Stock Issued During Period, Value, New Issues	$ 1,800,000
Private Placement [Member] | Lakes Investment Fund, LLC [Member]
Related Party Transaction [Line Items]
Issuance of common stock	193,372
Private Placement [Member] | Lakes Investment Fund, LLC [Member] | Warrants [Member]
Related Party Transaction [Line Items]
Issuance of common stock	77,348
Stock Issued During Period, Value, New Issues	$ 900,000
Private Placement [Member] | Intrinsic Investment Holdings, LLC [Member]
Related Party Transaction [Line Items]
Issuance of common stock	407,099
Stock Issued During Period, Value, New Issues	$ 2,000,000.0

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