Fair Value Measurements (Tables)

3 Months Ended

Oct. 31, 2013

Fair Value Measurements

Schedule of fair values of financial instruments measured on a recurring basis

	October 31, 2013
	Level 1		Level 2		Level 3		Total
Assets:
Cash and cash equivalents:
Money markets	$	4,571,000	$	—	$	—	$	4,571,000
Total assets	$	4,571,000	$	—	$	—	$	4,571,000
Liabilities:
Accrued expenses:
Interest rate swap agreements	$	—	$	112,000	$	—	$	112,000
Price floor	—		—		1,000		1,000
Total accrued expenses	—		112,000		1,000		113,000
Other long-term liabilities:
Interest rate swap agreements	—		35,000		—		35,000
Total liabilities	$	—	$	147,000	$	1,000	$	148,000

	July 31, 2013
	Level 1		Level 2		Level 3		Total
Assets:
Cash and cash equivalents:
Money markets	$	4,241,000	$	—	$	—	$	4,241,000
Total assets	$	4,241,000	$	—	$	—	$	4,241,000
Liabilities:
Accrued expenses:
Interest rate swap agreements	$	—	$	133,000	$	—	$	133,000
Total accrued expenses	—		133,000		—		133,000
Other long-term liabilities:
Price floor	—		—		45,000		45,000
Interest rate swap agreements	—		29,000		—		29,000
Total other long-term liabilities	—		29,000		45,000		74,000
Total liabilities	$	—	$	162,000	$	45,000	$	207,000

Reconciliation of liabilities measured and recorded at fair value on a recurring basis using significant unobservable inputs (Level 3)

	Byrne			Byrne
	Contingent			Price
	Consideration			Floor			Total
Balance, July 31, 2012	$	1,500,000		$	1,037,000		$	2,537,000
Total net unrealized gains included in general and administrative expense in earnings	—			(313,000		)	(313,000		)
Transfers into or out of level 3	—			—			—
Net purchases, issuances, sales and settlements	—			—			—
Balance, October 31, 2012	1,500,000			724,000			2,224,000
Total net unrealized gains included in general and administrative expense in earnings	(1,500,000		)	(410,000		)	(1,910,000		)
Transfers into or out of level 3	—			—			—
Net purchases, issuances, sales and settlements	—			—			—
Balance, January 31, 2013	—			314,000			314,000
Total net unrealized gains included in general and administrative expense in earnings	—			(59,000		)	(59,000		)
Transfers into or out of level 3	—			—			—
Net purchases, issuances, sales and settlements	—			—			—
Balance, April 30, 2013	—			255,000			255,000
Total net unrealized gains included in general and administrative expense in earnings	—			(210,000		)	(210,000		)
Transfers into or out of level 3	—			—			—
Net purchases, issuances, sales and settlements	—			—			—
Balance, July 31, 2013	—			45,000			45,000
Total net unrealized gains included in general and administrative expense in earnings	—			(44,000		)	(44,000		)
Transfers into or out of level 3	—			—			—
Net purchases, issuances, sales and settlements	—			—			—
Balance, October 31, 2013	$	—		$	1,000		$	1,000