Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
OPERATING ACTIVITIES:
Net income (loss)	$ 13,151	$ 13,068	$ 10,417
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	3,803	2,835	2,690
Deferred income taxes	414	23	54
Stock-based compensation expense	1,051	1,056	1,014
Excess tax benefit from stock-based payment arrangements	(182)
Provision for losses on accounts receivable	(215)	(150)	870
Other non-cash, net	69	7	224
Gain on disposition of capital assets	(18)	(34)	(185)
Changes in operating assets and liabilities:
Trade receivables	(2,260)	(2,000)	3,427
Inventories	(9,728)	(9,009)	(1,043)
Other current assets	58	50	(557)
Other assets	(307)	(308)	(270)
Accounts payable - trade	1,082	2,699	(841)
Accrued liabilities	(138)	572	(2,541)
Other long-term liabilities	(665)	(174)	367
Supplemental retirement plans	(210)	342	174
Net cash provided by operating activities	5,905	8,977	13,800
INVESTING ACTIVITIES:
Purchases of investments	(1,086)	(777)	(698)
Proceeds from sales of investments	1,273	405	410
Proceeds from sale of capital assets	21	34	187
Capital expenditures	(6,225)	(10,939)	(2,573)
Net cash (used in) provided by investing activities	(6,017)	(11,277)	(2,674)
FINANCING ACTIVITIES:
Dividends paid	(4,213)	(2,535)	(1,839)
Proceeds from issuance of common stock	1,107	916	324
Excess tax benefit from stock-based payment arrangements	182
Net cash used in financing activities	(2,924)	(1,619)	(1,515)
Increase (decrease) in cash and cash equivalents	(3,036)	(3,919)	9,611
Cash and cash equivalents at beginning of year	13,970	17,889	8,278
Cash and cash equivalents at end of year	10,934	13,970	17,889
SUPPLEMENTAL INFORMATION CASH PAID DURING THE PERIOD FOR:
Income taxes paid (refunded)	7,250	6,237	7,647
Capital Expenditures Incurred but Not yet Paid	$ 261	$ 389	$ 14