| Component: (Network and Table) | |
|---|---|
| Network | 00500 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (http://www.glaukos.com/role/StatementConsolidatedStatementsOfCashFlows)  | 
| Table | Statement [Table] | 
| Reporting Entity [Axis] | 0001192448 (http://www.sec.gov/CIK) | 
| Equity Components [Axis] | Equity Component [Domain] | 
| Statement | Period [Axis] | ||
|---|---|---|---|
2016-01-01 - 2016-12-31  | 2015-01-01 - 2015-12-31  | 2014-01-01 - 2014-12-31  | |
Operating Activities  | |||
Net income (loss)  | 4,522,000    | (38,321,000)   | (14,057,000)   | 
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:  | |||
Depreciation and amortization  | |||
Loss on disposal of fixed assets  | |||
Stock-based compensation  | |||
Loss on deconsolidation of DOSE  | |||
Loss on extinguishment of debt  | |||
Change in fair value of stock warrant liability  | (43,000)   | 1,132,000    | (5,000)   | 
Unrealized foreign currency losses  | |||
Amortization of premium on short-term investments  | |||
Amortization of debt discount and deferred financing costs  | |||
Deferred rent  | (  | (  | |
Change in operating assets and liabilities:  | |||
Accounts receivable, net  | (  | (  | (  | 
Inventory  | (  | (  | (  | 
Prepaid expenses and other current assets  | (  | (  | (  | 
Accounts payable and accrued liabilities  | |||
Other assets  | (  | ||
Net cash provided by (used in) operating activities  | (  | (  | |
Investing activities  | |||
Purchases of property and equipment  | (  | (  | (  | 
Purchase of iDOSE product line and related assets from DOSE Medical  | (  | ||
Purchases of short-term investments  | (  | (  | |
Proceeds from sale and maturities of short-term investments  | |||
Net cash used in investing activities  | (  | (  | (  | 
Financing activities  | |||
Proceeds from public offering, net of issuance costs  | |||
Proceeds from senior secured term and draw-to term loans  | |||
Payments of senior secured term and draw-to term loans  | (  | ||
Proceeds from line of credit  | |||
Payments of line of credit  | (  | (  | |
Payments of subordinated notes  | (  | (  | |
Proceeds from exercise of stock options  | |||
Share purchases under Employee Stock Purchase Plan  | |||
Proceeds from exercise of stock warrants  | |||
Net cash (used in) provided by financing activities  | (  | ||
Effect of exchange rate changes on cash and cash equivalents  | (  | ||
Net (decrease) increase in cash and cash equivalents  | (  | (  | |
Cash and cash equivalents at beginning of period  | 21,572,000    | ||
Cash and cash equivalents at end of period  | 6,494,000    | 21,572,000    | 2,304,000    | 
Supplemental disclosures of cash flow information  | |||
Interest paid  | |||
Taxes paid, net of refunds  | |||
Supplemental schedule of noncash investing and financing activities  | |||
Purchase of intangible assets in exchange for future payments  | |||
Conversion of preferred stock into common stock  | |||
Reduction of liability upon vesting of stock options previously exercised for unvested stock  | |||