Leases (Tables)

3 Months Ended

Apr. 30, 2019

Leases [Abstract]

Lease, Cost [Table Text Block]

Components of Company lease costs, including operating, finance, and short-term leasing are included in the table below. Depreciation of right-of-use assets, operating leases cost, and short-term lease costs are reported in net income as "Cost of sales," "Research and development expenses," or "Selling, general, and administrative expenses," depending on what business function the asset primarily supports. Interest on lease liabilities are classified as a non-operating expense in "Other income (expense), net" on the Consolidated Statements of Income and Comprehensive Income.

	Three Months Ended April 30, 2019
Lease Costs:
Finance Leases
Depreciation of right-of-use assets	$	95
Interest on lease liabilities	5
Total finance lease cost	$	100
Operating Leases
Operating lease cost	$	360
Short-term lease cost	105
Total operating lease cost	$	465
Total finance and operating lease cost	$	565

Lessee, Operating Lease, Disclosure [Table Text Block]

Supplemental unaudited balance sheet information related to operating and finance leases include:

	April 30, 2019
Operating Leases
Operating lease right-of-use assets	$	3,420
Current lease liability	$	1,689
Non-current lease liability	2,367
Total operating lease liabilities	$	4,056
Finance Leases
Property, plant and equipment, at cost	$	665
Accumulated depreciation	(95		)
Property, plant and equipment, net	$	570
Current lease liability	$	289
Non-current lease liability	281
Total finance lease liabilities	$	570

Weighted average remaining lease terms and discount rates include:

	April 30, 2019
Weighted Average Remaining Lease Term:
Operating leases	3 years
Finance leases	2 years
Weighted Average Discount Rate:
Operating leases	3.5	%
Finance leases	3.5	%

Supplemental unaudited cash flow information related to operating and finance leases include:

	Three Months Ended April 30, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	360
Operating cash flows from finance leases	5
Financing cash flows from finance leases	95
Right-of-use assets obtained in exchange for lease obligations:
Finance leases	$	190
Operating leases	—

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Future operating and finance lease obligations that have not yet commenced as of April 30, 2019, were immaterial and excluded from the lease liability schedule below accordingly.

	Three Months Ended April 30, 2019
	Operating Leases			Finance Leases
Remainder of Fiscal 2020	$	1,353		$	284
Fiscal 2021	1,844			184
Fiscal 2022	679			101
Fiscal 2023	315			36
Fiscal 2024	99			6
Thereafter	—			—
Total lease payments	$	4,290		$	611
Less imputed interest	(234		)	(41		)
Total lease liabilities	$	4,056		$	570

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Prior to the Company's adoption of ASU 2016-02 in the first quarter of fiscal year 2020, future minimum lease payments reported in the Company’s Annual Report on Form 10-K for the year ended January 31, 2019, were as follows:

	Twelve Months Ended January 31, 2019
	Operating Leases		Capital Leases
Fiscal 2020	$	2,213	$	182
Fiscal 2021	1,939		102
Fiscal 2022	728		44
Fiscal 2023	356		2
Fiscal 2024	140		—
Thereafter	—		—
Total lease payments	$	5,376	$	330
Less amount representing estimated executory costs such as taxes, license and insurance including profit thereon.			(14		)
Less amounts representing interest			(32		)
Present value of net minimum lease payments			$	284