Lease Obligations - Schedule of Maturities of Leases Liabilities (Details) $ in Thousands	Aug. 31, 2019 USD ($)
Operating Leases
2020	$ 684
2021	670
2022	547
2023	273
2024	228
Thereafter	271
Total lease payments	2,673
Less imputed interest	351
Total	2,322
Finance Leases
2020	711
2021	525
2022	318
2023	158
2024	0
Thereafter	0
Total lease payments	1,712
Less imputed interest	66
Total	$ 1,646