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Consolidated Statements of Changes in Stockholders' Equity (Parenthetical)
Apr. 30, 2021
Mar. 17, 2021
Stock split description   On March 17, 2021, the Company announced that its board of directors had approved a three-for-two stock split (“Stock Split”) effected in the form of a 50% stock dividend on its common stock outstanding paid on April 30, 2021 to shareholders of record as of April 20, 2021.
Stockholders equity note reverse stocks split conversion ratio   1.5
Subsequent Event [Member]    
Stock split description 3-for-2 stock split  
Stockholders equity note reverse stocks split conversion ratio 1.5