OEM Neurosurgery Partner Agreements (Tables)

6 Months Ended

Jan. 31, 2015

OEM Neurosurgery Partner Agreements [Abstract]

Total sales to marketing partners and their respective percent of the Company's net sales

Total sales to Codman and its respective percent of the Company’s net sales in the three and six months ended January 31, 2015 and 2014, including the sales of generators, accessories, disposable bipolar forceps and cord tubing, were as follows:

	Three Months Ended January 31, 2015			Three Months Ended January  31, 2014			Six Months Ended January 31, 2015			Six Months  Ended January  31, 2014
Net Sales	$	5,010		$	3,090		$	8,818		$	7,191
Percent of net sales		27.5	%		20.5	%		25.3	%		23.5	%

Total sales to Stryker and its respective percent of the Company’s net sales in the three and six months ended January 31, 2015, and 2014, including the sales of ablation generators, disposable ultrasonic instrument tips and accessories, were as follows:

	Three Months Ended January 31, 2015			Three Months  Ended January  31, 2014			Six Months Ended January 31, 2015			Six Months Ended January  31, 2014
Net Sales	$	2,708		$	2,452		$	5,689		$	4,613
Percent of net sales		14.9	%		16.2	%		16.3	%		15.1	%