Warrants - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions			1 Months Ended
	Oct. 10, 2018	Jun. 23, 2010	Jul. 31, 2020	Jun. 30, 2023	Dec. 31, 2022	May 10, 2011
Class of Warrant or Right, Number of Securities Called by Warrants or Rights				113,030	4,450,000
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 5.12
Class of Warrant or Right, Expired date of Warrants or Rights	Oct. 11, 2028
Proceeds from Issuance of Warrants			$ 22.2
Warrants, Fair Value Disclosure				$ 1.4	$ 1.1
Equity Based Warrants [Member]
Class of Warrant or Right, Warrants Exercised			2,168,485
Common Stock Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		2,532,000
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 6.74
Class of Warrant or Right, Expired date of Warrants or Rights		Jun. 23, 2020
Class of Warrant or Right, Outstanding				2,532,000	2,532,000
Common Stock [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	4,450,000					453,455
Class of Warrant or Right, Exercise Price of Warrants or Rights						$ 6.74
Common Stock [Member] | Shareholders One [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	2,225,000