Condensed Consolidated Statement of Comprehensive Income - USD ($)	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Details
Net earnings	$ 21,686,079	$ 14,112,934
Other comprehensive income:
Unrealized gains on equity securities	0	511,974
Unrealized gains on derivative instruments	0	3,308
Foreign currency translation adjustments	(3,761)	0
Other comprehensive income, before income tax	(3,761)	515,282
Income tax benefit (expense)	938	(176,934)
Other comprehensive income (loss), net of income tax	(2,823)	338,348
Comprehensive income	$ 21,683,256	$ 14,451,282

Represents the monetary amount of Other Comprehensive Income Tax Expense Benefit, during the indicated time period.

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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, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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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 before tax, after reclassification adjustments of other comprehensive income (loss).

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Amount before tax, after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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

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