CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended
May 31, 2016	May 31, 2015
Income Statement [Abstract]
Realized gain on the sale of marketable securities	$ 15,512,762	$ 0
Interest income	283,522	273,778
Equity in net income of unconsolidated investees	1,891,200	1,756,800
Professional fees and other expenses	(92,080)	(112,293)
Income before income taxes	17,595,404	1,918,285
Income tax expense	5,979,441	0
Net income	11,615,963	1,918,285
Unrealized gain on available-for-sale securities	0	14,348,366
Comprehensive income	$ 11,615,963	$ 16,266,651

Professional Fees Licensing And Other Expenses

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This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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