INVESTMENT SECURITIES (Details 1) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2012	Jul. 31, 2011
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	$ 3,286	$ 3,487
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	37	63
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	1,505	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	27	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	4,791	3,487
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	64	63
Mortgage-backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	697	1,502
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	3	30
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	1,505	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	27	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	2,202	1,502
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	30	30
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	2,589	1,985
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	34	33
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	2,589	1,985
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	$ 34	$ 33