Concentration (Tables)

12 Months Ended

Dec. 31, 2017

Risks and Uncertainties [Abstract]

Summary of APEI segment revenues

A summary of APEI Segment revenue derived from students by primary funding source for the years ended December 31, 2015, 2016 and 2017 is as follows:

	Year Ended December 31,
	2015	2016	2017
DoD tuition assistance programs	35%	36%	37%
Title IV programs	32%	29%	27%
VA education benefits	21%	22%	23%
Cash and other sources	12%	13%	13%

A summary of HCN Segment revenue derived from students by primary funding source for the years ended December 31, 2015, 2016 and 2017 is as follows:

	Year Ended December 31,
	2015	2016	2017
Title IV programs	86%	84%	83%
Cash and other sources	11%	13%	14%
VA education benefits	2%	3%	2%