COMMITMENTS AND CONTINGENCIES - Future Minimum Lease Payments (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Operating Leases
2020	$ 1,326
2021	1,151
2022	1,180
2023	1,208
2024	859
Thereafter	1,550
Total minimum lease payments	7,274
Capital Leases
2020	106
2021	34
2022	12
2023	1
2024	1
Thereafter	0
Total minimum lease payments	154
Less: interest	(14)
Present value of minimum lease payments, net	140
Less: current obligations under capital leases	(106)
Obligations under capital leases, noncurrent	$ 34