Delivery Costs	3 Months Ended
	Apr. 30, 2022
Other Income and Expenses [Abstract]
Delivery Costs	Delivery CostsFor the three months ended April 30, 2022 and 2021, shipping and classroom delivery costs of approximately $3,254,000 and $2,921,000, respectively, were included in selling, general and administrative expenses in the accompanying condensed consolidated statements of operations.