Summary of Significant Accounting Policies - Revision of Consolidated Statement of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net income	$ 84	$ 61	$ 283	$ 1,180	$ 2,437	$ 1,003	$ 1,600	$ 1,066	$ 1,608	$ 6,106	$ 7,125
Deferred income tax									(740)	(2,118)	(796)
Prepaid expenses and deposits									3,318	(356)	1,269
Income tax payable									(3,132)	1,481	966
Net Cash Provided by Operating Activities									6,597	6,036	13,221
Foreign Currency Effect on cash									(9)	201	(90)
Increase (decrease) in cash and cash equivalents									$ 3,575	(6,022)	(6,482)
As Reported
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net income										6,019	6,987
Deferred income tax										(2,491)	91
Prepaid expenses and deposits										392	1,486
Income tax payable										1,143	0
Net Cash Provided by Operating Activities										5,986	13,221
Foreign Currency Effect on cash										251
Increase (decrease) in cash and cash equivalents										(6,022)	(6,482)
Adjustments
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net income										87	138
Deferred income tax										373	(887)
Prepaid expenses and deposits										(748)	(217)
Income tax payable										338	966
Net Cash Provided by Operating Activities										50	0
Foreign Currency Effect on cash										(50)
Increase (decrease) in cash and cash equivalents										$ 0	$ 0