Fair Value Measurements (Details) (USD $)	1 Months Ended	0 Months Ended
	Feb. 29, 2012 Lender	Nov. 05, 2013	Jun. 30, 2014	Apr. 30, 2015
Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis
Number of existing senior lenders of debt, whose variable interest cash flows will be exchanged by the entity with fixed interest cash flows	1
Puri Core International Limited
Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis
Contingent consideration liability			$ 1,414,000	$ 914,000
Jet Prep Ltd.
Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis
Contingent consideration liability		2,490,000		729,000
Contingent consideration period		7 years
Assumed contingent obligation				1,131,000
Jet Prep Ltd. | Contingent Consideration
Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis
Total potential contingent consideration payments, low end of range				0
Total potential contingent consideration payments, high end of range				2,000,000
Jet Prep Ltd. | Assumed contingent liability
Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis
Total potential contingent consideration payments, low end of range				0
Total potential contingent consideration payments, high end of range				2,100,000
Level 3 | Puri Core International Limited
Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis
Contingent consideration liability			1,414,000
Discount rate of cash flow projections (as a percent)			10.10%
Level 3 | Jet Prep Ltd.
Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis
Contingent consideration liability		2,490,000		729,000
Contingent consideration period		7 years
Assumed contingent obligation		1,720,000		1,131,000
Level 3 | Jet Prep Ltd. | Minimum
Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis
Assumed contingent obligation		$ 810,000
Level 3 | Jet Prep Ltd. | Contingent Consideration
Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis
Discount rate of cash flow projections (as a percent)		12.60%
Level 3 | Jet Prep Ltd. | Assumed contingent liability
Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis
Discount rate of cash flow projections (as a percent)		2.50%