Amount of investment in equity security without readily determinable fair value.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Amount of cash inflow from the sale of investments classified as other.

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Subsequent Events [Text Block] (Details) - USD ($)	1 Months Ended
Subsequent Events [Text Block] (Details) - USD ($)	Mar. 31, 2019	Jan. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Equity Securities without Readily Determinable Fair Value, Amount			$ 850,000	$ 3,125,000
Pets Best
Equity Securities without Readily Determinable Fair Value, Amount			$ 500,000
Acquisition \| My1HR Acquiree
Payments to Acquire Businesses, Gross		$ 4,565,000
Sale Of Other Investment \| Pets Best
Proceeds from Sale of Other Investments	$ 3,402,000