Debt (Narratives) (Details) (USD $)	0 Months Ended		3 Months Ended	6 Months Ended	12 Months Ended				6 Months Ended
	Nov. 28, 2012	Aug. 17, 2012	Jan. 31, 2013	Jan. 31, 2013	Jan. 31, 2013	Jan. 31, 2012	Jul. 27, 2011 Revolving Loan [Member]	Jul. 27, 2011 Term Loan [member]	Jan. 31, 2013 Term 1 [Member] Fifth Third Bank [Member]	Jan. 31, 2013 Term 2 [Member] Fifth Third Bank [Member]	Jan. 31, 2013 Term 3 [Member] Fifth Third Bank [Member]	Jan. 31, 2013 Term 4 [Member] Fifth Third Bank [Member]
Line of Credit Facility [Line Items]
Credit facilities							$ 1,500,000	$ 5,000,000
Line of Credit Facility, Increase (Decrease), Other, Net		1,000,000
Line Credit Facility, incurred of debt closing costs				40,000
Term of Libor rate									1 month	2 months	3 months	6 months
Libor rate			4.00%	4.00%	4.00%
Effective rate			4.25%	4.25%	4.25%	8.00%
Credit facility, outstanding			180,000	180,000	180,000
Credit facility, amount available			1,280,000	1,280,000	1,280,000
Credit facility, amount used to finance acquisition	3,500,000
Debt coverage ratio			0.90	0.90	0.90
Leverage ratio			1.75
Debt to EBITDA ratio					2.50
Percent of foreign subsidiaries equity securities pledged				65.00%
Fixed monthly principal installments				83,333
Mandatory prepayments of the Credit Facilities				50.00%
Note payable			3,500,000	3,500,000	3,500,000
Note payable, interest rate after November 7, 2012 until November 28, 2013				10.00%
Note payable, interest rate after November 28, 2013			14.00%	14.00%	14.00%
Shares issued in connection with acquisition, shares	440,000
Shares issued in connection with acquisition, value	$ 585,000