CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
CONSOLIDATED STATEMENTS OF OPERATIONS
Net sales	$ 114,397	$ 71,700	$ 45,587
Cost of sales	16,177	12,988	11,418
Gross profit	98,220	58,712	34,169
Operating expenses:
Selling, general and administrative	64,756	43,961	28,135
Research and development	29,223	25,047	19,205
Total operating expenses	93,979	69,008	47,340
Income (loss) from operations	4,241	(10,296)	(13,171)
Other income (expense), net
Interest and other income	889	82	3
Loss on deconsolidation of DOSE		(25,685)
Loss on extinguishment of debt		(195)
Interest and other expense, net	(608)	(1,062)	(876)
Change in fair value of stock warrant liability	43	(1,132)	5
Total other income (expense), net	324	(27,992)	(868)
Income (loss) before taxes	4,565	(38,288)	(14,039)
Provision for income taxes	43	33	18
Net income (loss)	4,522	(38,321)	(14,057)
Net loss attributable to noncontrolling interest		(1,080)	(1,931)
Net income (loss) attributable to Glaukos Corporation stockholders	$ 4,522	$ (37,241)	$ (12,126)
Basic net income (loss) per share, attributable to Glaukos Corporation stockholders	$ 0.14	$ (2.13)	$ (5.29)
Diluted net income (loss) per share, attributable to Glaukos Corporation stockholders	$ 0.12	$ (2.13)	$ (5.29)
Weighted average shares used to compute basic net income (loss) per share attributable to Glaukos Corporation stockholders	32,928	17,474	2,294
Weighted average shares used to compute diluted net income (loss) per share attributable to Glaukos Corporation stockholders	36,459	17,474	2,294