Accounts Receivables - Schedule of Accounts Receivable (Details) - USD ($) $ in Thousands	Jan. 31, 2020	Jan. 31, 2019
Receivables [Abstract]
Current accounts receivable	$ 15,975	$ 14,195
Long-term accounts receivable	403	712
Accounts receivable	16,378	14,907
Less current portion of allowance for doubtful accounts	(4,054)	(2,113)
Less long-term portion of allowance for doubtful accounts	0	0
Less total allowance for doubtful accounts	(4,054)	(2,113)
Current accounts receivable, net of allowance for doubtful accounts	11,921	12,082
Long-term accounts receivable, net of allowance for doubtful accounts	403	712
Total accounts receivable, net of allowance for doubtful accounts	$ 12,324	$ 12,794