Unbilled Revenue (Tables)

3 Months Ended

Sep. 30, 2016

Unbilled Revenues Abstract [Abstract]

Unbilled revenues and gas costs [Table Text Block]

Unbilled amounts include the following:

	September 30,	June 30,
(000)	2016	2016
Unbilled revenues ($)	1,462	1,452
Unbilled natural gas costs ($)	359	319
Unbilled volumes (Mcf)	62	63