Operating Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2016	Jan. 31, 2015	Jan. 31, 2016	Jan. 31, 2015	Jul. 31, 2015
Segment Reporting Information
Assets	$ 199,055		$ 199,055		$ 190,031
Total Sales	65,367	$ 64,643	133,162	$ 130,687
Corporate Expenses	(6,471)	(4,424)	(13,266)	(9,021)
Income from Operations	5,400	4,281	13,176	7,441
Total Other Expense, Net	(331)	(395)	(567)	(690)
Income before Income Taxes	5,069	3,886	12,609	6,751
Income Taxes	(1,248)	(1,089)	(3,365)	(1,834)
Net Income	3,821	2,797	9,244	4,917
Business to Business Products
Segment Reporting Information
Assets	56,394		56,394		55,767
Segment Net Sales	22,625	23,047	48,446	46,695
Segment Income	7,576	7,443	16,745	14,314
Retail and Wholesale Products
Segment Reporting Information
Assets	96,543		96,543		96,043
Segment Net Sales	42,742	41,596	84,716	83,992
Segment Income	4,295	$ 1,262	9,697	$ 2,148
Unallocated Assets
Segment Reporting Information
Assets	$ 46,118		$ 46,118		$ 38,221