Note 4. Goodwill and Other Intangible Assets (Details 2) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Accumulated Amortization	$ (2,512,704)	$ (1,517,366)
Customer list
Gross Carrying Amount	1,770,000	1,770,000
Accumulated Amortization	(1,408,920)	(891,585)
Net Carrying Amount	361,080	878,415
Client relationships
Gross Carrying Amount	1,747,000	1,747,000
Accumulated Amortization	(564,810)	(318,809)
Net Carrying Amount	1,182,190	1,428,191
Proprietary software
Gross Carrying Amount	782,000	782,000
Accumulated Amortization	(526,508)	(306,972)
Net Carrying Amount	255,492	475,028
Trademarks - definite-lived [Member]
Gross Carrying Amount	173,000
Accumulated Amortization	(12,466)
Net Carrying Amount	160,534
Trademarks [Member]
Gross Carrying Amount	232,000	952,000
Accumulated Amortization	0	0
Net Carrying Amount	232,000	952,000
Total Intangible Assets
Gross Carrying Amount	4,704,000	5,251,000
Accumulated Amortization	(2,512,704)	(1,517,366)
Net Carrying Amount	$ 2,191,296	$ 3,733,634

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying amount of finite-lived intangible assets, indefinite-lived intangible assets and goodwill. Goodwill is an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Intangible assets are assets, not including financial assets, lacking physical substance.

+ References

No definition available.

+ Details

Name:	us-gaap_IntangibleAssetsNetIncludingGoodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerListsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_ComputerSoftwareIntangibleAssetMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=ISDR_TrademarksDefiniteMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TrademarksMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=ISDR_TotalIntangibleAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: