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Note 10. Concentration of revenue as a percentage of total revenue (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Percentage of revenue from various revenue streams	100.00%us-gaap_ConcentrationRiskPercentage1	100.00%us-gaap_ConcentrationRiskPercentage1
Amont of revenue from various revenue streams	$ 13,629,684us-gaap_Revenues	$ 8,842,229us-gaap_Revenues
Disclosure management
Percentage of revenue from various revenue streams	24.60%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByTypeAxis = ISDR_DisclosureManagementMember	45.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByTypeAxis = ISDR_DisclosureManagementMember
Amont of revenue from various revenue streams	3,354,293us-gaap_Revenues / us-gaap_ConcentrationRiskByTypeAxis = ISDR_DisclosureManagementMember	3,974,640us-gaap_Revenues / us-gaap_ConcentrationRiskByTypeAxis = ISDR_DisclosureManagementMember
Shareholder communications
Percentage of revenue from various revenue streams	68.80%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByTypeAxis = ISDR_ShareholderCommunicationsMember	49.30%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByTypeAxis = ISDR_ShareholderCommunicationsMember
Amont of revenue from various revenue streams	9,380,876us-gaap_Revenues / us-gaap_ConcentrationRiskByTypeAxis = ISDR_ShareholderCommunicationsMember	4,362,404us-gaap_Revenues / us-gaap_ConcentrationRiskByTypeAxis = ISDR_ShareholderCommunicationsMember
Software licensing
Percentage of revenue from various revenue streams	6.60%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByTypeAxis = ISDR_SoftwareLicensingMember	5.70%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByTypeAxis = ISDR_SoftwareLicensingMember
Amont of revenue from various revenue streams	$ 894,515us-gaap_Revenues / us-gaap_ConcentrationRiskByTypeAxis = ISDR_SoftwareLicensingMember	$ 505,185us-gaap_Revenues / us-gaap_ConcentrationRiskByTypeAxis = ISDR_SoftwareLicensingMember

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13537-108611



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13531-108611



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592

+ Details

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X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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