XML 14 R10.htm IDEA: XBRL DOCUMENT v2.3.0.15

Subsequent Event	3 Months Ended
	Jul. 31, 2011
Subsequent Event
Subsequent Event	F. Subsequent Event In August 2011, the Company entered into Amendment No. 1 to its Amended and Restated Loan and Security Agreement (the "Amendment") with Bank of America, N.A. The Amendment: (i) increased the amount available under the Line of Credit to $15,000,000, (ii) extended the maturity of the Line of Credit until July 31, 2014, and (iii) changed the maximum permitted debt to worth ratio from 1.10- to-1.00 to 1.25-to-1.00.

X

- Details

Name:	us-gaap_SubsequentEventsAbstract
Namespace Prefix:	us-gaap
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

+ Details

Name:	us-gaap_SubsequentEventsTextBlock
Namespace Prefix:	us-gaap
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration