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Income Taxes - Summary of Net Operating Loss and Research Credit Carryforwards (Detail) - Jun. 30, 2015 - USD ($) $ in Millions | Total
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Domestic Country | Federal |
Operating Loss Carryforwards [Line Items] |
Net operating losses | $ 138.4
Net operating losses subject to sections 382,383 | Yes
Domestic Country | Federal | Research |
Operating Loss Carryforwards [Line Items] |
Research credit | $ 3.2
Research credit subject to sections 382,383 | Yes
State and Local Jurisdiction | UTAH |
Operating Loss Carryforwards [Line Items] |
Net operating losses | $ 229.9
Net operating losses subject to sections 382,383 | No
State and Local Jurisdiction | UTAH | Research |
Operating Loss Carryforwards [Line Items] |
Research credit | $ 8.6
Research credit subject to sections 382,383 | No
State and Local Jurisdiction | OKLAHOMA |
Operating Loss Carryforwards [Line Items] |
Net operating losses | $ 14.1
Net operating losses subject to sections 382,383 | Yes
Foreign (various jurisdictions) |
Operating Loss Carryforwards [Line Items] |
Net operating losses | $ 39.3
Net operating losses subject to sections 382,383 | No
Minimum | Domestic Country | Federal |
Operating Loss Carryforwards [Line Items] |
Net operating losses, expiration in year | 2027
Minimum | Domestic Country | Federal | Research |
Operating Loss Carryforwards [Line Items] |
Research credit, expiration in year | 2025
Minimum | State and Local Jurisdiction | UTAH |
Operating Loss Carryforwards [Line Items] |
Net operating losses, expiration in year | 2016
Minimum | State and Local Jurisdiction | UTAH | Research |
Operating Loss Carryforwards [Line Items] |
Research credit, expiration in year | 2021
Minimum | State and Local Jurisdiction | OKLAHOMA |
Operating Loss Carryforwards [Line Items] |
Net operating losses, expiration in year | 2023
Minimum | Foreign (various jurisdictions) |
Operating Loss Carryforwards [Line Items] |
Net operating losses, expiration date ranges | Various
Maximum | Domestic Country | Federal |
Operating Loss Carryforwards [Line Items] |
Net operating losses, expiration in year | 2033
Maximum | Domestic Country | Federal | Research |
Operating Loss Carryforwards [Line Items] |
Research credit, expiration in year | 2032
Maximum | State and Local Jurisdiction | UTAH |
Operating Loss Carryforwards [Line Items] |
Net operating losses, expiration in year | 2024
Maximum | State and Local Jurisdiction | UTAH | Research |
Operating Loss Carryforwards [Line Items] |
Research credit, expiration in year | 2029
Maximum | State and Local Jurisdiction | OKLAHOMA |
Operating Loss Carryforwards [Line Items] |
Net operating losses, expiration in year | 2033
Maximum | Foreign (various jurisdictions) |
Operating Loss Carryforwards [Line Items] |
Net operating losses, expiration date ranges | Various

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