001000 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 001010 - Statement - Consolidated Balance Sheets Parenthetical link:presentationLink link:calculationLink link:definitionLink 002000 - Statement - Consolidated Statements of Operations and Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 003000 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 006010 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 006020 - Disclosure - Trading Securities and Marketable Securities Available for Sale link:presentationLink link:calculationLink link:definitionLink 006030 - Disclosure - Inventories link:presentationLink link:calculationLink link:definitionLink 006040 - Disclosure - Real Estate Transactions link:presentationLink link:calculationLink link:definitionLink 006050 - Disclosure - Notes Receivable link:presentationLink link:calculationLink link:definitionLink 006060 - Disclosure - Property and Equipment link:presentationLink link:calculationLink link:definitionLink 006070 - Disclosure - Intangible Assets link:presentationLink link:calculationLink link:definitionLink 006080 - Disclosure - Short-term Notes Payable link:presentationLink link:calculationLink link:definitionLink 006090 - Disclosure - Long-term Debt link:presentationLink link:calculationLink link:definitionLink 006100 - Disclosure - Capital Stock and Stock Options link:presentationLink link:calculationLink link:definitionLink 006110 - Disclosure - Concentration of Credit Risk link:presentationLink link:calculationLink link:definitionLink 006120 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 006130 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 006140 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 006150 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 006160 - Disclosure - Assets held for sale link:presentationLink link:calculationLink link:definitionLink 006170 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 000990 - Document - Document And Entity Information link:presentationLink link:calculationLink link:definitionLink