Fair Value Measurements (Tables)

12 Months Ended

Jul. 31, 2016

Fair Value Measurements

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

	July 31, 2016
	Level 1		Level 2		Level 3		Total
Assets:
Cash and cash equivalents:
Money markets	$	740,000	$	—	$	—	$	740,000
Total assets	$	740,000	$	—	$	—	$	740,000
Liabilities:
Accrued expenses:
Assumed contingent obligation	$	—	$	—	$	12,000	$	12,000
Contingent guaranteed obligation		—		—		366,000		366,000
Total accrued expenses		—		—		378,000		378,000
Other long-term liabilities:
Assumed contingent obligation		—		—		1,126,000		1,126,000
Contingent guaranteed obligation		—		—		75,000		75,000
Total other long-term liabilities:		—		—		1,201,000		1,201,000
Total liabilities	$	—	$	—	$	1,579,000	$	1,579,000

	July 31, 2015
	Level 1		Level 2		Level 3		Total
Assets:
Cash and cash equivalents:
Money markets	$	1,680,000	$	—	$	—	$	1,680,000
Total assets	$	1,680,000	$	—	$	—	$	1,680,000
Liabilities:
Accrued expenses:
Assumed contingent obligation	$	—	$	—	$	12,000	$	12,000
Contingent guaranteed obligation		—		—		566,000		566,000
Total accrued expenses		—		—		578,000		578,000
Other long-term liabilities:
Contingent consideration		—		—		751,000		751,000
Assumed contingent obligation		—		—		1,126,000		1,126,000
Contingent guaranteed obligation		—		—		322,000		322,000
Total other long-term liabilities:		—		—		2,199,000		2,199,000
Total liabilities	$	—	$	—	$	2,777,000	$	2,777,000

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

					Jet Prep		Cantel Medical (UK)
	Byrne		Jet Prep		Assumed		Contingent
	Price		Contingent		Contingent		Guaranteed
	Floor		Consideration		Obligation		Obligation		Total
Balance, July 31, 2013	$	45,000	$	—	$	—	$	—	$	45,000
Total net unrealized (gains) losses included in general and administrative expense in earnings		(45,000)		232,000		32,000		—		219,000
Net purchases, issuances, sales and settlements		—		2,490,000		1,720,000		1,395,000		5,605,000
Balance, July 31, 2014		—		2,722,000		1,752,000		1,395,000		5,869,000
Total net unrealized gains included in general and administrative expense in earnings		—		(1,971,000)		(614,000)		—		(2,585,000)
Net purchases, issuances, sales and settlements		—		—		—		(507,000)		(507,000)
Balance, July 31, 2015		—		751,000		1,138,000		888,000		2,777,000
Total net unrealized (gains) losses included in general and administrative expense in earnings		—		(751,000)		—		64,000		(687,000)
Net purchases, issuances, sales and settlements		—		—		—		(511,000)		(511,000)
Balance, July 31, 2016	$	—	$	—	$	1,138,000	$	441,000	$	1,579,000