Legal Proceedings, Commitments and Contingencies - Schedule of Contractual Obligations and Future Cash Payments (Detail) $ in Thousands	Dec. 31, 2016 USD ($)
Loss Contingencies [Line Items]
Operating Leases - 2017	$ 241
Operating Leases - 2018	246
Operating Leases - 2019	251
Operating Leases - 2020	236
Operating Leases -2021 and thereafter	0
Total	974
2017	3,233
2018	596
2019	601
2020	7,586
2021 and thereafter	8,815
Total	20,831
Non-Cancelable Employment Agreements [Member]
Loss Contingencies [Line Items]
2017	1,601
2018	0
2019	0
2020	0
2021 and thereafter	0
Total	1,601
Subtotal [Member]
Loss Contingencies [Line Items]
2017	1,842
2018	246
2019	251
2020	236
2021 and thereafter	0
Total	2,575
Cancelable License Agreements [Member]
Loss Contingencies [Line Items]
2017	1,391
2018	350
2019	350
2020	7,350
2021 and thereafter	8,815
Total	$ 18,256

Contractual Obligation, Due in Fifth Year and Thereafter

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Contractual Obligations Current Due

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Operating Leases, Future Minimum Payments, Due in Five Years and Thereafter

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Amount of contractual obligation due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of contractual obligation due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 3)
-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697

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