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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) | 12 Months Ended
--- | ---
Aug. 31, 2019 | Aug. 31, 2018
Cash flows from operating activities |  |
Net income (loss) | $ 4,811,148 | $ 414,680
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |
Share-based compensation expense | 336,228 | 324,840
Depreciation and depletion | 1,280,830 | 902,676
Bad debt (recovery) expense | (37,233) | 79,860
Investment in Well Enhancement and Recovery Systems LLC | 6,601 | 10,490
Interest income and other non-cash items | (420) | (2,366)
Interest added to receivable from related parties | (41,776) | (17,728)
Deferred income taxes | (1,284,066) | 0
Changes in operating assets and liabilities: |  |
Inventories | (5,018,452) | (1,217,292)
Trade accounts receivable | 4,870 | (369,923)
Prepaid expenses and other assets | (700,063) | (959,394)
Note receivable - related parties | (40,406) | (110,161)
Accounts payable and accrued liabilities | (368,456) | 750,078
Income taxes | 0 | (282,000)
Deferred revenues | 3,630,485 | 360,611
Deferred income - oil and gas lease | 951,237 | 116,111
Net cash provided by operating activities | 3,530,527 | 482
Cash flows from investing activities: |  |
Investments in water, water systems and land | (14,106,724) | (1,046,911)
Investments in Sky Ranch pipeline | 0 | (241,819)
Investments in Sky Ranch land development | 0 | (3,977,767)
Sales and maturities of marketable securities | 55,697,933 | 34,057,552
Purchase of short-term investments | (52,040,964) | (22,645,017)
Purchase of long-term investments | 0 | 0
Purchase of property and equipment | (353,996) | (445,286)
Net cash (used in) provided by investing activities | (10,803,751) | 5,700,752
Cash flows from financing activities |  |
Proceeds from note receivable - related parties | 0 | 215,504
Proceeds from exercise of options | 193,101 | 75,000
Payment to contingent liability holders | (6,896) | (2,523)
Net cash provided in financing activities | 186,205 | 287,981
Net change in cash and cash equivalents | (7,087,019) | 5,989,215
Cash and cash equivalents - beginning of year | 11,565,038 | 5,575,823
Cash and cash equivalents - end of year | 4,478,019 | 11,565,038
SUPPLEMENTAL DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES |  |
Inventories included in accounts payable and accrued liabilities | 1,399,602 | 0
Investments in water, water systems and land included in accounts payable and accrued liabilities | 930,895 | 0
Transfer of income taxes to income taxes receivable | 282,820 | 0
Transfer of prepaid asset to other asset | 0 | 89,609
Transfer of land and mineral interest to inventory | $ 0 | $ 3,977,767

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- Definition The cash outflow for exploration and development of oil and gas properties. It includes cash payments related to development of oil and gas wells drilled at previously untested geologic structures (to determine the presence of oil or gas) and wells drilled at sites where the presence of oil or gas has already been established (to extract the oil or gas). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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- Definition The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period. + References No definition available. + Details
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- Definition Amount of cash inflow from exercise of option under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116856206&loc=SL79508275-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(5)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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