000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Condensed Consolidated Statements of Stockholders' Equity (Unaudited) link:calculationLink link:definitionLink link:presentationLink 006 - Statement - Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note 1 - Basis of Presentation link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 2 - Reportable Segments link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 3 - Long-term Debt link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 4 - Stock-based Compensation Plans link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 5 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 6 - Net Loss Per Common Share link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 7 - Leases & Property, Plant, Equipment and Water Programs link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 8 - Fair Value Measurements link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note 9 - Common and Preferred Stock link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note 10 - Commitments and Contingencies link:calculationLink link:definitionLink link:presentationLink 017 - Disclosure - Note 11 - Subsequent Events link:calculationLink link:definitionLink link:presentationLink 995464 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 995465 - Disclosure - Note 1 - Basis of Presentation (Tables) link:calculationLink link:definitionLink link:presentationLink 995466 - Disclosure - Note 2 - Reportable Segments (Tables) link:calculationLink link:definitionLink link:presentationLink 995467 - Disclosure - Note 8 - Fair Value Measurements (Tables) link:calculationLink link:definitionLink link:presentationLink 995468 - Disclosure - Note 1 - Basis of Presentation (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995469 - Disclosure - Note 1 - Basis of Presentation - Components of Cash, Cash Equivalents and Restricted Cash (Details) link:calculationLink link:definitionLink link:presentationLink 995470 - Disclosure - Note 2 - Reportable Segments (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995471 - Disclosure - Note 2 - Reportable Segments - Segment Information (Details) link:calculationLink link:definitionLink link:presentationLink 995472 - Disclosure - Note 2 - Reportable Segments - Assets by Operating Segment (Details) link:calculationLink link:definitionLink link:presentationLink 995473 - Disclosure - Note 2 - Reportable Segments - Goodwill by Operating Segment (Details) link:calculationLink link:definitionLink link:presentationLink 995474 - Disclosure - Note 2 - Reportable Segments - Property, Plant, Equipment and Water Programs (Details) link:calculationLink link:definitionLink link:presentationLink 995475 - Disclosure - Note 3 - Long-term Debt (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995476 - Disclosure - Note 4 - Stock-based Compensation Plans (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995477 - Disclosure - Note 5 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995478 - Disclosure - Note 6 - Net Loss Per Common Share (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995479 - Disclosure - Note 7 - Leases & Property, Plant, Equipment and Water Programs (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995480 - Disclosure - Note 8 - Fair Value Measurements (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995481 - Disclosure - Note 8 - Fair Value Measurements - Level 3 Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 995482 - Disclosure - Note 8 - Fair Value Measurements - Level 3 Liabilities (Details) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 995483 - Disclosure - Note 8 - Fair Value Measurements - Assets and Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 995484 - Disclosure - Note 9 - Common and Preferred Stock (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995485 - Disclosure - Note 10 - Commitments and Contingencies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995486 - Disclosure - Note 11 - Subsequent Events (Details Textual) link:calculationLink link:definitionLink link:presentationLink