Leases (Tables)

6 Months Ended

Jul. 31, 2019

Leases [Abstract]

Lease, Cost [Table Text Block]

Components of Company lease costs, including operating, finance, and short-term leases 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 July 31, 2019		Six Months Ended July 31, 2019
Lease Costs:
Finance Leases
Depreciation of right-of-use assets	$	104	$	199
Interest on lease liabilities	6		11
Total finance lease cost	$	110	$	210
Operating Leases
Operating lease cost	$	362	$	722
Short-term lease cost	101		206
Total operating lease cost	$	463	$	928
Total finance and operating lease cost	$	573	$	1,138

Lessee, Operating Lease, Disclosure [Table Text Block]

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

	July 31, 2019
Operating Leases
Operating lease right-of-use assets	$	3,121
Current lease liability	$	1,721
Non-current lease liability	1,951
Total operating lease liabilities	$	3,672
Finance Leases
Property, plant and equipment, at cost	$	873
Accumulated depreciation	(180		)
Property, plant and equipment, net	$	693
Current lease liability	$	343
Non-current lease liability	350
Total finance lease liabilities	$	693

Weighted average remaining lease terms and discount rates include:

	July 31, 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 July 31, 2019		Six Months Ended July 31, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	362	$	722
Operating cash flows from finance leases	6		11
Financing cash flows from finance leases	104		199
Right-of-use assets obtained in exchange for lease obligations:
Finance leases	$	208	$	398
Operating leases	—		—

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

Future operating and finance lease obligations that have not yet commenced as of July 31, 2019, were immaterial and excluded from the lease liability schedule below accordingly.

	July 31, 2019
	Operating Leases			Finance Leases
Remainder of Fiscal 2020	$	902		$	215
Fiscal 2021	1,850			243
Fiscal 2022	680			160
Fiscal 2023	316			84
Fiscal 2024	98			21
Thereafter	—			—
Total lease payments	$	3,846		$	723
Less imputed interest	(174		)	(30		)
Total lease liabilities	$	3,672		$	693

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:

	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