Joint Ventures - Additional Information (Detail) shares in Millions	1 Months Ended	3 Months Ended		12 Months Ended
	Sep. 30, 2012 USD ($) shares	Mar. 31, 2017 USD ($) Project shares	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)	Apr. 27, 2017	Oct. 31, 2016	Dec. 31, 2012 USD ($)
Schedule of Equity Method Investments [Line Items]
Equity in net income/(loss) of joint venture		$ 0	$ 0
Investment in DreamPlay LLC		7,000,000		$ 7,000,000
Non-controlling interest's share of losses		$ 31,000	32,000
Pacific Animation Partners Joint Venture
Schedule of Equity Method Investments [Line Items]
Percentage of ownership interest in joint venture		50.00%
Investment in joint venture, percentage share of operating expenses		50.00%
Number of episodes for which production completed | Project		65
Episode show airing beginning date		2012-02
DreamPlay Toys
Schedule of Equity Method Investments [Line Items]
Percentage of ownership interest in joint venture	50.00%
Cash paid to Nant Works for joint venture	$ 8,000,000	$ 400,000
Issue of warrants (in shares) | shares	1.5
Issue of warrants	$ 7,000,000
Joint venture toy service agreement expiration date	Oct. 01, 2018
Investment in DreamPlay LLC							$ 7,000,000
Percentage of ownership interest in joint venture							5.00%
Impairment charges				$ 0
NantWorks
Schedule of Equity Method Investments [Line Items]
Issue of warrants (in shares) | shares		1.5
NantWorks | Minimum
Schedule of Equity Method Investments [Line Items]
Ownership percentage		10.00%
China Joint Venture
Schedule of Equity Method Investments [Line Items]
Percentage of ownership interest in joint venture		51.00%
Non-controlling interest's share of losses		$ 31,000	$ 32,000
Hong Kong Meisheng Cultural Co
Schedule of Equity Method Investments [Line Items]
Percentage of ownership interest in joint venture						50.00%
Hong Kong Meisheng Cultural Co | Minimum | Subsequent Event
Schedule of Equity Method Investments [Line Items]
Ownership percentage					10.00%