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Note 26 - Share-based Expenses (Tables)

12 Months Ended

Dec. 31, 2018

Statement Line Items [Line Items]

Explanation of effect of share-based payments on entity's profit or loss [text block]

		Note			2018				2017				2016
Share option programmes		26.1 (a)				14				29				170
Facilitation and advanced dividend loan modification		26.1 (b)				—				806				—
						14				835				170

		Note			2018				2017				2016

Restricted Share Units and Performance Share Units		26.2.(a)				218				853				618
Caledonia Mining South Africa employee incentive scheme		26.2.(b)				97				123				—
						315				976				618

Disclosure of range of exercise prices of outstanding share options [text block]

Number of Options				Exercise Price				Expiry Date
				Canadian $
	5,000				4.00			Oct 8, 2020
	18,000				11.50			Oct 13, 2021
	5,000				8.10			May 30, 2022
	10,000				9.30			Aug 25, 2024
	38,000

Disclosure of number and weighted average exercise prices of share options [text block]

		Number of Options *				Weighted Avg. Exercise Price
						Canadian $*

Options outstanding and exercisable at January 1, 2016			448,184				5.40
Expired or forfeited			(232,200	)			6.50
Granted			18,000				11.50
Exercised			(141,704	)			4.15
Options outstanding and exercisable at December 31, 2016			92,280				5.85
Granted			5,000				8.10
Exercised			(69,280	)			4.50
Options outstanding and exercisable at December 31, 2017			28,000				9.55
Granted			10,000				9.30
Exercised			—				—
Options outstanding and exercisable at December 31, 2018			38,000				9.48

Disclosure of indirect measurement of fair value of goods or services received, share options granted during period [text block]

Options granted			10,000				* 5,000				* 18,000
Grant date			February 27, 2018				May 30, 2018				October 13, 2017
Risk-free interest rate			2,86	%			2.40	%			0.53	%
Expected stock price volatility (based on historical volatility)			32	%			118	%			119	%
Expected option life in years			3				3				5
Exercise price			CAD 9.30				* CAD 8.10				* CAD 11.50
Share price at grant date			CAD 9.30				* CAD 8.10				* CAD 11.50
Fair value at grant date			$1.40				* $5.81				* $9.45

		*2018								*2017
		RSUs				PSUs				RSUs				PSUs
Fair value ($)		$	5.46			$	5.46			$	7.37			$	7.17
Share price ($)		$	5.46			$	5.46			$	7.37			$	7.37
Performance multiplier percentage			—				85	%			—				94	%
Share units granted:
			RSUs				PSUs				RSUs				PSUs
Grant - January 11, 2016			60,645				242,579				60,645				242,579
Grant - March 23, 2016			10,965				43,871				10,965				43,871
Grant - June 8, 2016			5,117				20,470				5,117				20,470
Grant - January 19, 2017			4,443				17,774				4,443				17,774
RSU dividend reinvestments			10,960				—				7,324				—
Total awards at December 31			92,130				324,694				88,494				324,694

Disclosure of indirect measurement of fair value of goods or services received, other equity instruments granted during period [text block]

		2018				2017
		Awards
Grant - July 2017 (3 year term)			37,330				37,330
Grant - August 2018 (3 year term)			5,918				—
Awards paid out			(26,864	)			—
Total awards outstanding December 31			16,384				37,330

Estimated awards expected to vest at December 31			100	%			100	%

Faciliation and advanced dividend loans [member]

Statement Line Items [Line Items]

Disclosure of indirect measurement of fair value of goods or services received, other equity instruments granted during period [text block]

Modification date			June 23, 2017
Blanket Mine dividend yield			23.70% - 89.88%
Risk free interest rate			$ swap curve
Group market capitalisation at grant date ($’000)		$	68,436