Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net (loss) income	$ (4,051)	$ 3,706
Adjustments to reconcile net (loss) income to net cash used for operating activities:
Depreciation and amortization	4,246	4,270
Amortization of inventory step-up	7,028	0
Accretion of investment discount	(69)	(194)
Provision for accounts receivable allowances	1,298	2,553
Deferred tax (benefit) provision	(362)	799
Share-based compensation expense	803	688
Gain on bargain purchase	0	(376)
(Gain) loss on sale of assets	(14)	43
Changes in assets and liabilities:
Accounts receivable	(47,443)	(48,987)
Inventory	(8,436)	(19,815)
Prepaid expenses and other assets	(3,516)	(48)
Accounts payable	11,865	12,514
Other accrued liabilities and long-term obligations	4,489	2,821
Total adjustments	(30,111)	(45,732)
Net cash used for operating activities	(34,162)	(42,026)
Cash flows from investing activities:
Maturities of investment securities	20,000	60,000
Purchase of a business	0	(1,125)
Purchase of property, plant and equipment	(2,021)	(2,831)
Purchase of company owned life insurance policy	(750)	0
Purchase of intangibles	0	(100)
Proceeds from sale of fixed assets	14	311
Net cash provided by investing activities	17,243	56,255
Cash flows from financing activities:
Payments on long-term debt	(109)	0
Dividends paid	(3,644)	(3,634)
Exercise of stock options, net of tax withholdings	37	(32)
Payments for tax withholding on net restricted stock settlements	0	(527)
Tax effect on stock awards	0	278
Net cash used for financing activities	(3,716)	(3,915)
Effect of exchange rate changes on cash	156	0
Net (decrease) increase in cash and cash equivalents	(20,479)	10,314
Cash and cash equivalents at beginning of period	47,693	19,927
Cash and cash equivalents at end of period	$ 27,214	$ 30,241