XML 49 R65.htm IDEA: XBRL DOCUMENT v2.4.1.9
Subsequent Event - Additional Information (Detail) (Subsequent Event [Member], Character Property Rights [Member], USD $)
0 Months Ended
Dec. 18, 2014
Subsequent Event [Member] | Character Property Rights [Member]
 
Subsequent Event [Line Items]  
Purchase these Character Property Rights $ 37,700,000us-gaap_PaymentsToAcquireIntangibleAssets
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_IntellectualPropertyMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Additional consideration payable for resale of property rights $ 4,000,000am_ContingentPaymentsForResaleOfAcquiredIntangibleAssets
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_IntellectualPropertyMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember