Quarterly report pursuant to Section 13 or 15(d)

SEGMENT INFORMATION, Revenue by Segments (Details)

v3.21.2
SEGMENT INFORMATION, Revenue by Segments (Details)
$ in Thousands
 3 Months Ended 9 Months Ended
May 31, 2021
USD ($)
May 31, 2020
USD ($)
May 31, 2021
USD ($)
segment
May 31, 2020
USD ($)
Segment Reporting Information [Line Items]        
Number of operating segments | segment     2  
Segment Information [Abstract]        
Total revenue $ 2,666 $ 1,850 $ 12,273 $ 15,829
Cost of revenue (582) (720) (3,872) (11,152)
Depreciation and depletion (358) (386) (1,077) (988)
Total cost of revenues (940) (1,106) (4,949) (12,140)
Gross profit 1,726 744 7,324 3,689
Corporate [Member]        
Segment Information [Abstract]        
Total revenue 0 0 0 0
Cost of revenue 0 0 0 0
Depreciation and depletion 0 0 0 0
Total cost of revenues 0 0 0 0
Gross profit 0 0 0 0
Water and Wastewater Resource Development Segment [Member]        
Segment Information [Abstract]        
Total revenue 2,198 1,154 7,386 4,326
Cost of revenue (483) (164) (1,785) (716)
Depreciation and depletion (358) (386) (1,077) (988)
Total cost of revenues (841) (550) (2,862) (1,704)
Gross profit 1,357 604 4,524 2,622
Land Development Segment [Member]        
Segment Information [Abstract]        
Total revenue 468 696 4,887 11,503
Cost of revenue (99) (556) (2,087) (10,436)
Depreciation and depletion 0 0 0 0
Total cost of revenues (99) (556) (2,087) (10,436)
Gross profit $ 369 $ 140 $ 2,800 $ 1,067