Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Oct. 31, 2011	Oct. 31, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 3,535	$ 3,516
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,765	2,240
Amortization of loan costs included in interest expense	27	27
Stock-based compensation expense	211	181
Inventory valuation adjustment	45	(84)
(Gain) Loss on disposal of property	4	(59)
Deferred income tax expense	576	68
Tax (benefit) deficiency from stock-based awards	30	(193)
Changes in operating assets and liabilities:
Accounts receivable - trade	4,505	1,997
Accounts receivable - other	(385)	(502)
Inventories	524	(1,750)
Prepaid expenses and other current assets	459	363
Accounts payable	719	1,422
Accrued liabilities	(162)	(1,965)
Income taxes payable	1,729	1,257
Net cash provided by operating activities	13,582	6,518
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to property, plant and equipment	(1,800)	(2,155)
Proceeds from sale of property		59
Change in restricted cash		189
Net cash used in investing activities	(1,800)	(1,907)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net borrowings (payments) under revolver credit agreement	6,054	(3,000)
Principal payments on borrowings on term loan	(11,333)	(2,000)
Proceeds from exercise of stock options and warrants		200
Tax benefit (deficiency) from stock-based awards	(30)	193
Book overdraft	(2,852)
Payment of dividends	(283)	(226)
Net cash used in financing activities	(8,444)	(4,833)
EFFECT OF EXCHANGE RATE CHANGES ON CASH	(15)	229
NET INCREASE IN CASH AND CASH EQUIVALENTS	3,323	7
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	1,826	4,728
CASH AND CASH EQUIVALENTS AT END OF PERIOD	5,149	4,735
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid for interest	527	634
Cash paid for income taxes	$ 253	$ 355