SIGNIFICANT ACCOUNTING POLICIES - Summary of Impact of New Accounting Guidance (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Jun. 30, 2018	Jul. 01, 2018	Jun. 30, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Current contract assets	$ 278		$ 0
Prepaid and other current assets	741		739
Total current assets	17,112		16,250
Long-term contract asset	60		0
Total assets	33,896		33,231
Current contract liability	1,801		1,894
Total current liabilities	6,254		5,992
Long-term contract liability	462		470
Total Liabilities	8,213		8,057
Accumulated deficit	(1,649)		(2,057)
Total stockholders' equity	25,683		25,174		$ 25,287
Total liabilities and stockholders' equity	33,896		33,231
Revenues	10,293	$ 9,683
Cost of revenues	6,941	6,655
Gross profits	3,352	3,028
Selling, general and administrative	3,026	2,725
Operating income	125	101
Net income	70	$ 75	$ (672)
Balance Without Adoption
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Current contract assets	0
Prepaid and other current assets	728
Total current assets	16,821
Long-term contract asset	0
Total assets	33,545
Current contract liability	1,803
Total current liabilities	6,256
Long-term contract liability	462
Total Liabilities	8,215
Accumulated deficit	(2,002)
Total stockholders' equity	25,330
Total liabilities and stockholders' equity	33,545
Revenues	10,328
Cost of revenues	6,978
Gross profits	3,350
Selling, general and administrative	3,039
Operating income	110
Net income	55
Accounting Standards Update 2014-09 | Adjustments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Current contract assets	(278)
Prepaid and other current assets	(13)
Total current assets	(291)
Long-term contract asset	(60)
Total assets	(351)
Current contract liability	2
Total current liabilities	2
Long-term contract liability	0
Total Liabilities	2
Accumulated deficit	(353)			$ 300
Total stockholders' equity	(353)			$ 300
Total liabilities and stockholders' equity	(351)
Revenues	35
Cost of revenues	37
Gross profits	(2)
Selling, general and administrative	13
Operating income	(15)
Net income	$ (15)