CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2016		Aug. 02, 2015
Cash flows from operating activities:
Net income	$ 5,313		$ 4,701
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	1,761		1,555
Amortization of other assets	52		47
Stock-based compensation	761		265
Excess tax benefit related to stock-based compensation	(167)		(788)
Deferred income taxes	593		1,641
Realized loss on sale of short-term investments	12
Loss (gain) on sale of equipment	9		(46)
Foreign currency exchange gains	(62)		(57)
Changes in assets and liabilities:
Accounts receivable	611		2,774
Inventories	(1,808)		(4,068)
Other current assets	158		(1,149)
Other assets	19		23
Accounts payable - trade	3,036		(132)
Accrued expenses and deferred compensation	(4,911)		(3,870)
Income taxes	375		159
Net cash provided by operating activities	5,752		1,055
Cash flows from investing activities:
Capital expenditures	(3,139)		(3,336)
Proceeds from the sale of equipment			104
Proceeds from the sale of short-term investments	2,000		3,612
Purchase of short-term investments	(21)		(33)
Purchase of long-term investments	(559)		(478)
Net cash used in investing activities	(1,719)		(131)
Cash flows from financing activities:
Proceeds from line of credit	7,000
Excess tax benefit related to stock-based compensation	167		788
Dividends paid	(3,445)		(5,676)
Proceeds from common stock issued	11		56
Net cash provided by (used in) financing activities	3,733		(4,832)
Effect of exchange rate changes on cash and cash equivalents	(4)		116
Increase (decrease) in cash and cash equivalents	7,762		(3,792)
Cash and cash equivalents at beginning of period	37,787	[1]	29,725
Cash and cash equivalents at end of period	$ 45,549		$ 25,933

[1] Derived from audited financial statements.