Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Details)

Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Revenue Recognition (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Total revenue	$ 22,557	$ 25,235	$ 73,534	$ 73,408
North America [Member]
Total revenue	12,662	15,091	41,848	43,035
U.K. [Member]
Total revenue	5,191	5,457	16,400	16,598
Other foreign markets [Member]
Total revenue	4,704	4,687	15,286	13,775
Seminars [Member]
Total revenue	14,123	16,843	47,156	45,436
Seminars [Member] \| North America [Member]
Total revenue	7,369	11,255	25,685	28,561
Seminars [Member] \| U.K. [Member]
Total revenue	3,611	3,901	11,731	11,193
Seminars [Member] \| Other foreign markets [Member]
Total revenue	3,143	1,687	9,740	5,682
Products [Member]
Total revenue	4,543	5,592	14,781	17,079
Products [Member] \| North America [Member]
Total revenue	2,916	3,218	8,768	9,052
Products [Member] \| U.K. [Member]
Total revenue	984	1,186	3,366	3,923
Products [Member] \| Other foreign markets [Member]
Total revenue	643	1,188	2,647	4,104
Coaching and Mentoring [Member
Total revenue	2,898	2,960	8,261	9,134
Coaching and Mentoring [Member \| North America [Member]
Total revenue	1,408	737	4,156	3,763
Coaching and Mentoring [Member \| U.K. [Member]
Total revenue	579	412	1,223	1,383
Coaching and Mentoring [Member \| Other foreign markets [Member]
Total revenue	911	1,811	2,882	3,988
Online and Subscription [Member]
Total revenue	102	49	1,088	115
Online and Subscription [Member] \| North America [Member]
Total revenue	86	37	1,038	93
Online and Subscription [Member] \| U.K. [Member]
Total revenue	9	12	33	22
Online and Subscription [Member] \| Other foreign markets [Member]
Total revenue	7		17
Other [Member]
Total revenue	891	(209)	2,248	1,644
Other [Member] \| North America [Member]
Total revenue	883	(156)	2,201	1,566
Other [Member] \| U.K. [Member]
Total revenue	8	(54)	47	77
Other [Member] \| Other foreign markets [Member]
Total revenue		$ 1		$ 1