001 - Document - Document and Entity Information link:presentationLink link:definitionLink link:calculationLink 002 - Statement - Condensed Consolidated Balance Sheets link:presentationLink link:definitionLink link:calculationLink 003 - Statement - Condensed Consolidated Balance Sheets (Parentheticals) link:presentationLink link:definitionLink link:calculationLink 004 - Statement - Condensed Consolidated Statements of Operations (Unaudited) link:presentationLink link:definitionLink link:calculationLink 005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) link:presentationLink link:definitionLink link:calculationLink 006 - Disclosure - Organization and description of business link:presentationLink link:definitionLink link:calculationLink 007 - Disclosure - Summary of significant accounting policies link:presentationLink link:definitionLink link:calculationLink 008 - Disclosure - Inventory link:presentationLink link:definitionLink link:calculationLink 009 - Disclosure - Property and Equipment link:presentationLink link:definitionLink link:calculationLink 010 - Disclosure - Intangible property link:presentationLink link:definitionLink link:calculationLink 011 - Disclosure - Notes payable link:presentationLink link:definitionLink link:calculationLink 012 - Disclosure - Stockholders' deficit link:presentationLink link:definitionLink link:calculationLink 013 - Disclosure - Stock-based compensation link:presentationLink link:definitionLink link:calculationLink 014 - Disclosure - Leases link:presentationLink link:definitionLink link:calculationLink 015 - Disclosure - Commitments and contingencies link:presentationLink link:definitionLink link:calculationLink 016 - Disclosure - Related party transactions link:presentationLink link:definitionLink link:calculationLink 017 - Disclosure - Discontinued operations link:presentationLink link:definitionLink link:calculationLink 018 - Disclosure - Subsequent events link:presentationLink link:definitionLink link:calculationLink 035 - Disclosure - Notes payable (Details) (Parentheticals) link:presentationLink link:definitionLink link:calculationLink 054 - Disclosure - Discontinued operations (Details 1) (Parentheticals) link:presentationLink link:definitionLink link:calculationLink 019 - Disclosure - Summary of significant accounting policies (Policies) link:presentationLink link:definitionLink link:calculationLink 020 - Disclosure - Inventory (Tables) link:presentationLink link:definitionLink link:calculationLink 021 - Disclosure - Property and Equipment (Tables) link:presentationLink link:definitionLink link:calculationLink 022 - Disclosure - Intangible property (Tables) link:presentationLink link:definitionLink link:calculationLink 023 - Disclosure - Notes payable (Tables) link:presentationLink link:definitionLink link:calculationLink 024 - Disclosure - Stock-based compensation (Tables) link:presentationLink link:definitionLink link:calculationLink 025 - Disclosure - Related party transactions (Tables) link:presentationLink link:definitionLink link:calculationLink 026 - Disclosure - Discontinued operations (Tables) link:presentationLink link:definitionLink link:calculationLink 052 - Disclosure - Discontinued operations (Details) link:presentationLink link:definitionLink link:calculationLink 053 - Disclosure - Discontinued operations (Details 1) link:presentationLink link:definitionLink link:calculationLink 027 - Disclosure - Organization and description of business (Detail Textuals) link:presentationLink link:definitionLink link:calculationLink 028 - Disclosure - Summary of significant accounting policies (Detail Textuals) link:presentationLink link:definitionLink link:calculationLink 029 - Disclosure - Inventory (Details) link:presentationLink link:definitionLink link:calculationLink 030 - Disclosure - Property and Equipment (Details) link:presentationLink link:definitionLink link:calculationLink 031 - Disclosure - Property and Equipment (Detail Textuals) link:presentationLink link:definitionLink link:calculationLink 032 - Disclosure - Intangible property (Details) link:presentationLink link:definitionLink link:calculationLink 033 - Disclosure - Intangible property (Detail Textuals) link:presentationLink link:definitionLink link:calculationLink 034 - Disclosure - Notes payable (Details) link:presentationLink link:definitionLink link:calculationLink 036 - Disclosure - Notes payable (Details 1) link:presentationLink link:definitionLink link:calculationLink 037 - Disclosure - Notes payable (Detail Textuals) link:presentationLink link:definitionLink link:calculationLink 038 - Disclosure - Notes payable (Detail Textuals 1) link:presentationLink link:definitionLink link:calculationLink 039 - Disclosure - Notes payable (Detail Textuals 2) link:presentationLink link:definitionLink link:calculationLink 040 - Disclosure - Notes payable (Detail Textuals 3) link:presentationLink link:definitionLink link:calculationLink 041 - Disclosure - Stockholders' deficit (Detail Textuals) link:presentationLink link:definitionLink link:calculationLink 042 - Disclosure - Stock-based compensation - Summary of valuation assumptions for stock options issued (Details) link:presentationLink link:definitionLink link:calculationLink 043 - Disclosure - Stock-based compensation - Summary of stock option activity (Details 1) link:presentationLink link:definitionLink link:calculationLink 044 - Disclosure - Stock-based compensation (Details 2) link:presentationLink link:definitionLink link:calculationLink 045 - Disclosure - Stock-based compensation (Details 3) link:presentationLink link:definitionLink link:calculationLink 046 - Disclosure - Stock-based compensation (Detail Textuals) link:presentationLink link:definitionLink link:calculationLink 047 - Disclosure - Leases (Detail Textuals) link:presentationLink link:definitionLink link:calculationLink 048 - Disclosure - Commitments and contingencies (Detail Textuals) link:presentationLink link:definitionLink link:calculationLink 049 - Disclosure - Related party transactions (Details) link:presentationLink link:definitionLink link:calculationLink 050 - Disclosure - Related party transactions (Detail Textuals) link:presentationLink link:definitionLink link:calculationLink 051 - Disclosure - Related party transactions (Detail Textuals 1) link:presentationLink link:definitionLink link:calculationLink 055 - Disclosure - Subsequent events (Detail Textuals) link:presentationLink link:definitionLink link:calculationLink