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Note 23 - Equity-settled Share-based Expense (Tables)

12 Months Ended

Dec. 31, 2017

Statement Line Items [Line Items]

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

		Note		2017				2016				2015
Share option programmes		23.1(a)			29				170				24
Facilitation and advanced dividend loan modification		23.1(b)			806				-				-
					835				170				24

		Note		2017				2016				2015
Restricted Share units and Performance Share Units		23.2(a)			853				618				-
Caledonia Mining South Africa employee incentive scheme		23.2(b)			123				-				-
					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
	28,000

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, 2015			513,184				5.55
Expired or forfeited			(88,000	)			5.55
Granted			23,000				3.65
Options outstanding and exercisable at December 31, 2015			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

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

		2017		2016		2015		2015
Options granted		*5,000		*18,000		90,000		25,000
Grant date		May 30, 2017		October 13, 2016		December 21, 2015		October 7, 2015
Risk-free interest rate		2.40%		0.53%		0.53%		0.53%
Expected stock price volatility (based on historical volatility)		118%		119%		41,2%		39,6%
Expected option life in years		3		5		5		5
Exercise price		* CAD 8.10		* CAD 11.50		CAD 0.74		CAD 0.80
Share price at grant date		* CAD8.10		* CAD 11.50		CAD 0.74		CAD 0.79
Fair value at grant date		* USD 5.81		* USD 9.45		USD 0.27		USD 0.27

			*2017								*2016
			RSUs				PSUs				RSUs				PSUs
Fair value (USD)		$	7.37			$	7.17			$	5.50			$	5.25
Share price (USD)		$	7.37			$	7.37			$	5.50			$	5.50
Performance multiplier percentage			-				94	%			-				100	%

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

		RSUs				PSUs				RSUs				PSUs
Grant - January 11, 2016			60,645				242,579				60,645				242,579
Grant - March 23, 2016			10,965				43,871				10,967				43,871
Grant - June 8, 2016			5,117				20,470				5,117				20,470
Grant - January 19, 2017			4,443				17,774				-				-
RSU dividend reinvestments			7,324				-				3,505				-
Total awards at December 31			88,494				324,694				80,234				306,920

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		USD swap curve
Group market capitalisation at grant date ($’000)		USD 68,436