CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data in Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
REVENUE
Gold revenues	$ 132,910	$ 131,020
Mine operating expenses	100,065	94,284
Operating costs from/(to) metal inventory	1,179	(3,450)
Royalties	6,653	6,565
Mining related depreciation and amortization	20,141	19,043
Accretion of asset retirement obligations	634	703
Total cost of sales	128,672	117,145
Mine operating margin	4,238	13,875
Exploration expense	645	1,264
General and administrative expense	7,645	6,767
Property holding costs	3,086	2,074
Foreign exchange loss	528	861
Derivative mark-to-market loss	0	162
Loss/(gain) on fair value of convertible debentures	(7,646)	892
Gain on sale of assets	72	22,370
Interest expense	1,256	2,773
Interest and other income	(101)	(138)
(Loss)/income before income tax	(1,103)	21,590
Income tax expense	(7,133)	(12,531)
Net loss	(8,236)	9,059
Net income/(loss) attributable to noncontrolling interest	1,677	54
Net loss attributable to Golden Star shareholders	$ (6,559)	$ 9,113
Net loss per share attributable to Golden Star shareholders
Basic and diluted (dollars per share)	$ (0.03)	$ 0.04
Weighted average shares outstanding (millions) (shares)	259.1	258.7
Weighted average shares outstanding-diluted (shares)	259.1	258.9