CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Net sales	$ 40,412,000	$ 29,577,000	$ 117,604,000	$ 81,225,000
Cost of sales	5,718,000	3,886,000	16,420,000	11,366,000
Gross profit	34,694,000	25,691,000	101,184,000	69,859,000
Operating expenses:
Selling, general and administrative	24,141,000	16,854,000	70,297,000	44,262,000
In-process research and development			5,320,000
Research and development	9,805,000	7,807,000	28,380,000	21,824,000
Total operating expenses	33,946,000	24,661,000	103,997,000	66,086,000
Income (loss) from operations	748,000	1,030,000	(2,813,000)	3,773,000
Other income, net
Interest and other income	658,000	314,000	1,892,000	935,000
Interest and other expense, net	(28,000)	(45,000)	(47,000)	(223,000)
Change in fair value of stock warrant liability				43,000
Total other income, net	630,000	269,000	1,845,000	755,000
Income (loss) before taxes	1,378,000	1,299,000	(968,000)	4,528,000
Provision for income taxes	53,000	140,000	130,000	140,000
Net (loss) income attributable to Glaukos Corporation stockholders	$ 1,325,000	$ 1,159,000	$ (1,098,000)	$ 4,388,000
Basic net income (loss) per share, attributable to Glaukos Corporation stockholders	$ 0.04	$ 0.03	$ (0.03)	$ 0.13
Diluted net income (loss) per share, attributable to Glaukos Corporation stockholders	$ 0.04	$ 0.03	$ (0.03)	$ 0.12
Weighted average shares used to compute basic net income (loss) per share attributable to Glaukos Corporation stockholders	34,472	33,116	34,314	32,691
Weighted average shares used to compute diluted net income (loss) per share attributable to Glaukos Corporation stockholders	37,654	37,023	34,314	36,259