Text Block Comparison: Securities Owned Not Readily Marketable [Table Text Block] (us-gaap:ScheduleOfSecuritiesOwnedNotReadilyMarketableTextBlock)

Documentation: Tabular disclosure of not readily marketable securities and investments including, but not limited to, description of security or investment, fair value and value as measured by quoted price.

(For last 10-K submitted to SEC as of March 31, 2018)