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Note 2. Summary of Significant Accounting Policies (Details Narrative)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Stock Options    
Shares issuable included in computation of diluted earnings per share 258,171us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_EmployeeStockOptionMember
 
Antidilutive Securities Excluded from Computation of Earnings Per Share   282,486us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_EmployeeStockOptionMember
Restricted stock units    
Shares issuable included in computation of diluted earnings per share 26,000us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= ISDR_RestrictedStockUnitsMember
 
Convertible Note    
Antidilutive Securities Excluded from Computation of Earnings Per Share 417,712us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_ConvertibleNotesPayableMember