NATIONAL RESEARCH CORP
COMPANY
10-K
FORM
2018-03-14
FILING DATE
2017-12-31
FY PERIOD END
1001
FACTS
SIC 8731
CIK 0000070487
Taxonomy US GAAP 2017
SIC 8731
CIK 0000070487
Taxonomy US GAAP 2017
Standard Concepts
399
Extended Concepts
59
13%
Extended Concepts
Errors
0
What are errors?
What are errors?
Indicate problems with an XBRL formatted filing that are sufficient grounds for SEC rejection of the XBRL portion of the filing.
Data Quality Errors
0
What are data quality errors?
What are data quality errors?
Indicate areas that may not meet the standards set by the Data Quality Committee (DQC), and may reveal areas where the XBRL can be improved.