Commitments and Contingencies (Schedule of Contractual Obligations and Future Cash Payments) (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Loss Contingencies [Line Items]
2014	$ 847
2015	724
2016	533
2017	432
2018	6,935
Total	9,471
Operating Leases [Member]
Loss Contingencies [Line Items]
2014	72
2015	74
2016	83
2017	82
2018	70
Total	381
Non-Cancelable Employment Agreements [Member]
Loss Contingencies [Line Items]
2014	450
2015	300
2016	100
2017	0
2018	0
Total	850
Subtotal [Member]
Loss Contingencies [Line Items]
2014	522
2015	374
2016	183
2017	82
2018	70
Total	1,231
Cancelable License Agreements [Member]
Loss Contingencies [Line Items]
2014	325
2015	350
2016	350
2017	350
2018	6,865
Total	$ 8,240

Contractual Obligations Current Due

No definition available.

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Amount of contractual obligation maturing in the fifth fiscal year following the latest fiscal year.

No definition available.

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Amount of contractual obligation maturing in the fourth fiscal year following the latest fiscal year.

No definition available.

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Amount of contractual obligation maturing in the next fiscal year following the latest fiscal year.

No definition available.

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Amount of contractual obligation maturing in the second fiscal year following the latest fiscal year.

No definition available.

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Amount of contractual obligation maturing in the third fiscal year following the latest fiscal year.

No definition available.

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Data Type:	xbrli:monetaryItemType
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