Unbilled Revenue (Tables)

9 Months Ended

Mar. 31, 2016

Unbilled Revenues Abstract [Abstract]

Unbilled revenues and gas costs [Table Text Block]

Unbilled amounts include the following:

	March 31,	June 30,
(000)	2016	2015
Unbilled revenues ($)	3,909	1,674
Unbilled natural gas costs ($)	1,293	462
Unbilled volumes (Mcf)	316	69