Note 8 - Accounts Receivables (Tables)

12 Months Ended

Jan. 31, 2022

Notes Tables

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

	As of January 31, 2022								As of January 31, 2021
	Current			Long-term		Total			Current			Long-term		Total
Accounts receivable	$	8,610		$	650	$	9,260		$	5,695		$	—	$	5,695
Less allowance for doubtful accounts		(484	)		—		(484	)		(948	)		—		(948	)
Accounts receivable net of allowance for doubtful accounts	$	8,126		$	650	$	8,776		$	4,747		$	—	$	4,747

* the long-term balance of accounts receivable is recorded in Other Assets.