Leases (Tables)

6 Months Ended

Jan. 31, 2020

Leases [Abstract]

Schedule of supplemental disclosures related to the Company's operating leases cost

	Three Months Ended January 31, 2020		Six Months Ended January 31, 2020
	(in thousands)
Operating lease cost	$	712	$	1,423
Short-term lease cost		75		133
Total lease cost	$	787	$	1,556
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	685	$	1,369

	January 31, 2020
Weighted-average remaining lease term-operating leases		4.6 years
Weighted-average discount rate-operating leases		3.12	%

Schedule of aggregate operating lease liability

	January 31, 2020
	(in thousands)
Operating lease liabilities included in "Other current liabilities"	$	2,424
Operating lease liabilities included in noncurrent liabilities		8,731
Total	$	11,155

Schedule of future minimum maturities of operating lease liabilities

	Twelve-month period ending January 31,
		(in thousands)
2021	$	2,743
2022		2,624
2023		2,377
2024		1,882
2025		1,888
Thereafter		511
Total lease payments		12,025
Less imputed interest		(870	)
Total operating lease liabilities	$	11,155