000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Consolidated Balance Sheets (Current Period Unaudited) link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Consolidated Statements of Operations (Unaudited) link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Consolidated Statements of Comprehensive Income (Loss) (Unaudited) link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Consolidated Statements of Stockholders' Equity (Unaudited) link:calculationLink link:definitionLink link:presentationLink 006 - Statement - Consolidated Statements of Stockholders' Equity (Unaudited) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 007 - Statement - Consolidated Statements of Cash Flows (Unaudited) link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 1 - Nature of Operations and Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 2 - Revenue link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 3 - Balance Sheet Components link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 4 - Fair Value Measurements link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 5 - Leases link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 6 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 7 - Commitments and Contingencies link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note 8 - Stock-based Incentive Plans link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note 9 - Stockholders' Equity link:calculationLink link:definitionLink link:presentationLink 017 - Disclosure - Note 10 - Related Party Transactions link:calculationLink link:definitionLink link:presentationLink 018 - Disclosure - Note 11 - Segment Information link:calculationLink link:definitionLink link:presentationLink 995465 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 995466 - Disclosure - Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Tables) link:calculationLink link:definitionLink link:presentationLink 995467 - Disclosure - Note 2 - Revenue (Tables) link:calculationLink link:definitionLink link:presentationLink 995468 - Disclosure - Note 3 - Balance Sheet Components (Tables) link:calculationLink link:definitionLink link:presentationLink 995469 - Disclosure - Note 4 - Fair Value Measurements (Tables) link:calculationLink link:definitionLink link:presentationLink 995470 - Disclosure - Note 5 - Leases (Tables) link:calculationLink link:definitionLink link:presentationLink 995471 - Disclosure - Note 9 - Stockholders' Equity (Tables) link:calculationLink link:definitionLink link:presentationLink 995472 - Disclosure - Note 11 - Segment Information (Tables) link:calculationLink link:definitionLink link:presentationLink 995473 - Disclosure - Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995474 - Disclosure - Note 1 - Nature of Operations and Summary of Significant Accounting Policies - Earnings Per Share (Details) link:calculationLink link:definitionLink link:presentationLink 995475 - Disclosure - Note 2 - Revenue (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995476 - Disclosure - Note 2 - Revenue - Net Sales by Product and Service (Details) link:calculationLink link:definitionLink link:presentationLink 995477 - Disclosure - Note 3 - Balance Sheet Components - Summary of Balance Sheet Amounts (Details) link:calculationLink link:definitionLink link:presentationLink 995478 - Disclosure - Note 4 - Fair Value Measurements - Investments (Details) link:calculationLink link:definitionLink link:presentationLink 995479 - Disclosure - Note 5 - Leases (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995480 - Disclosure - Note 5 - Leases - Lease Cost (Details) link:calculationLink link:definitionLink link:presentationLink 995481 - Disclosure - Note 5 - Leases - Maturity of Lease Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 995482 - Disclosure - Note 6 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995483 - Disclosure - Note 8 - Stock-based Incentive Plans (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995484 - Disclosure - Note 9 - Stockholders' Equity (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995485 - Disclosure - Note 9 - Stockholders' Equity - Changes in Accumulated Other Comprehensive Loss (Details) link:calculationLink link:definitionLink link:presentationLink 995486 - Disclosure - Note 10 - Related Party Transactions (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995487 - Disclosure - Note 11 - Segment Information (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995488 - Disclosure - Note 11 - Segment Information - Operating Information by Geographic Area (Details) link:calculationLink link:definitionLink link:presentationLink 995489 - Disclosure - Note 11 - Segment Information - Total Assets by Geographic Region (Details) link:calculationLink link:definitionLink link:presentationLink 995490 - Disclosure - Note 11 - Segment Information - Net Sales by Geographic Area (Details) link:calculationLink link:definitionLink link:presentationLink