Summary of Product Revenue Allowances and Reserve Categories (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Jun. 30, 2014	Mar. 31, 2014
Valuation Allowance [Line Items]
Beginning balance	$ 982	$ 610
Provision	938	1,200
Payments or credits	(1,020)	(828)
Ending balance	900	982
Trade Allowances
Valuation Allowance [Line Items]
Beginning balance	43	18
Provision	176	126
Payments or credits	(167)	(101)
Ending balance	52	43
Rebates Chargebacks and Discounts
Valuation Allowance [Line Items]
Beginning balance	661	515
Provision	628	685
Payments or credits	(476)	(539)
Ending balance	813	661
Other Incentives/ Returns
Valuation Allowance [Line Items]
Beginning balance	278	77
Provision	134	389
Payments or credits	(377)	(188)
Ending balance	$ 35	$ 278

Total of the provision for allowances and reserves in a given period, the valuation and qualifying accounts that are netted against gross revenue or that reflect a liability established to represent expected future costs.

No definition available.

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- Definition

Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 09

-Article 12

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- Definition

Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively.

+ References

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