Business Segments, Geographic Data, and Sales by Major Customers - Additional Information (Detail) $ in Thousands	12 Months Ended
Dec. 31, 2019 USD ($) segment	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Segment Reporting Information [Line Items]
Number of reporting segments \| segment	3
Long-lived Assets	$ 15,259	$ 20,902
Provision for doubtful accounts	864	9,586	$ 11,803
Toys R Us
Segment Reporting Information [Line Items]
Provision for doubtful accounts	$ (900)	$ 9,600	$ 11,800
Net Accounts Receivable \| Wal-Mart and Target \| Customer Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk percentage	56.90%	61.40%
China
Segment Reporting Information [Line Items]
Long-lived Assets	$ 11,461	$ 15,825
Molds and tools \| China
Segment Reporting Information [Line Items]
Long-lived Assets	$ 11,400	$ 15,800

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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