| Component: (Network and Table) | |
|---|---|
| Network | 00500 - Statement - Condensed Statements of Cash Flows (http://invuity.com/20151231/taxonomy/role/StatementCondensedStatementsOfCashFlows)  | 
| Table | (Implied) | 
| Reporting Entity [Axis] | 0001393020 (http://www.sec.gov/CIK) | 
| Statements of Cash Flows | Period [Axis] | ||
|---|---|---|---|
2016-01-01 - 2016-12-31  | 2015-01-01 - 2015-12-31  | 2014-01-01 - 2014-12-31  | |
Statements of Cash Flows  | |||
Cash flows from operating activities:  | |||
Net loss  | (40,609,000)   | (37,570,000)   | (20,662,000)   | 
Adjustments to reconcile net loss to net cash used in operating activities:  | |||
Depreciation and amortization  | |||
Stock-based compensation  | |||
Changes in fair value of convertible preferred stock warrant liability  | (  | ||
Provision for doubtful accounts  | |||
Noncash interest expense  | |||
Accretion of premium on marketable securities  | |||
Changes in operating assets and liabilities:  | |||
Accounts receivable  | (  | (  | (  | 
Inventory  | (  | (  | |
Prepaid expenses and other assets  | (  | (  | |
Other non-current assets  | (  | ||
Accounts payable  | (  | ||
Accrued and other current liabilities  | |||
Deferred rent  | (  | ||
Net cash used in operating activities  | (  | (  | (  | 
Cash flows from investing activities:  | |||
Purchases of property and equipment  | (  | (  | (  | 
Purchases of marketable securities  | |||
Sales of marketable securities  | |||
Maturities of marketable securities  | |||
Change in restricted cash  | (  | ||
Net cash used in investing activities  | (  | (  | (  | 
Cash flows from financing activities:  | |||
Proceeds from issuance of common stock upon initial public offering, net of issuance costs  | |||
Proceeds from financing offering, net of offering costs  | |||
Proceeds from issuance of long-term debt -related party, net of issuance costs  | |||
Proceeds from issuance of common stock upon exercise of stock options  | |||
Repayments of long-term debt  | (  | ||
Payments to repurchase early exercised common stock  | (  | ||
Proceeds from issuance of convertible preferred stock, net of issuance costs  | |||
Net cash provided by financing activities  | |||
Net increase (decrease) in cash and cash equivalents  | (  | ||
Cash and cash equivalents, beginning of period  | 46,296,000    | ||
Cash and cash equivalents, end of period  | 28,300,000    | 46,296,000    | 6,048,000    | 
Supplemental disclosures of cash flow information:  | |||
Interest paid  | |||
Interest paid to related party  | |||
Non-cash investing and financing activities:  | |||
Purchases of property and equipment in accounts payable and accrued liabilities at period end  | |||
Offering issuance costs in accounts payable at period end  | |||
Reclassification of convertible preferred stock warrant liability to additional paid-in capital upon conversion of preferred stock warrants into common stock warrants  | |||
Conversion of convertible preferred stock into common stock and additional paid in capital  | |||