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Shareholders' Equity and Debt (Shareholders' Equity) (Details) - USD ($)	1 Months Ended		3 Months Ended				6 Months Ended
	Apr. 30, 2019	Nov. 30, 2017	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018	Jan. 31, 2016	May 13, 2010
Shareholders' Equity (Textual) [Abstract]
Repurchase outstanding common shares									$ 10,000,000	$ 10,000,000
Repurchase of shares, value			$ (531,746)	$ (703,790)	$ (784,505)	$ (1,195,225)
Shelf Registration, sale of corporate securities (up to)		$ 100,000,000
Proceeds from sales of common stock, net of offering costs							$ 0	$ 200,909
Contribution of cash	$ 300,000
Conversion of intercompany loans payable	700,000
WinHealth
Shareholders' Equity (Textual) [Abstract]
Investment through purchase of shares of CET Stock	1,000,000
Gloria Pharmaceuticals
Shareholders' Equity (Textual) [Abstract]
Cash payments for return of shares	$ 800,000
Restricted Stock
Shareholders' Equity (Textual) [Abstract]
Restricted stock granted in period, shares							222,469	233,330
Director
Shareholders' Equity (Textual) [Abstract]
Number of shares sold (in shares)			47,969
Director | Restricted Stock
Shareholders' Equity (Textual) [Abstract]
Restricted stock awards, vesting period							1 year
Common stock
Shareholders' Equity (Textual) [Abstract]
Repurchase of shares (in shares)			84,447	121,466	127,291	172,079	205,913	299,370
Repurchase of shares, value			$ (531,746)	$ (703,790)	$ (784,505)	$ (1,195,225)	$ (1,200,000)	$ (2,000,000.0)
Common stock issued								30,704
Proceeds from the sale of common stock, net of offering costs (in shares)					0	30,704

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