XML 50 R34.htm IDEA: XBRL DOCUMENT

Restricted Stock Stock Compensation Expense (Details) (USD $)	3 Months Ended		6 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2012	Oct. 31, 2011
Restricted Stock Compensation Expense [Line Items]
Allocated Share-based Compensation Expense			$ 9,000	$ 1,000
Stock Award Plan [Member] \| Restricted Stock [Member] \| Common Stock [Member]
Restricted Stock Compensation Expense [Line Items]
Allocated Share-based Compensation Expense	$ 4,000	$ 114,000	$ 8,000	$ 111,000

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References+ Details