XML 24 R32.htm IDEA: XBRL DOCUMENT

Restricted Stock Stock Compensation Expense (Details) (USD $)	3 Months Ended		9 Months Ended
	Jan. 31, 2013	Jan. 31, 2012	Jan. 31, 2013	Jan. 31, 2012
Restricted Stock Compensation Expense [Line Items]
Allocated Share-based Compensation Expense			$ 72,000	$ (5,000)
Stock Award Plan [Member] \| Restricted Stock [Member] \| Common Stock [Member]
Restricted Stock Compensation Expense [Line Items]
Allocated Share-based Compensation Expense	$ 42,000	$ 3,000	$ 34,000	$ 109,000

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