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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands | Jun. 30, 2021 | Sep. 30, 2020
--- | --- | ---
Current assets: |  |
Cash and cash equivalents | $ 9,500 | $ 4,584
Accounts and other receivables, net of allowance for doubtful accounts of: $398,000 at June 30, 2021; $341,000 at September 30, 2020 | 1,988 | 2,176
Income taxes receivable | 59 | 472
Asset held for sale | 699 | 699
Deferred offering costs | 294 | 0
Other current assets | 2,305 | 1,556
Total current assets | 14,845 | 9,487
Asset for retirement benefits | 987 | 771
Investments | 0 | 901
Operating lease right-of-use assets | 173 | 249
Property and equipment | 79,412 | 73,431
Accumulated depletion, impairment, depreciation, and amortization | (75,595) | (69,657)
Property and equipment, net | 3,817 | 3,774
Total assets | 19,822 | 15,182
Current liabilities: |  |
Accounts payable | 2,451 | 2,104
Accrued capital expenditures | 562 | 542
Accrued compensation | 904 | 408
Accrued operating and other expenses | 1,333 | 1,325
Current portion of operating lease liabilities | 80 | 111
Current portion of asset retirement obligation | 965 | 647
Other current liabilities | 215 | 1,227
Total current liabilities | 6,510 | 6,364
Long-term debt | 48 | 58
Operating lease liabilities | 96 | 143
Liability for retirement benefits | 2,038 | 4,829
Asset retirement obligation | 5,966 | 5,547
Deferred income tax liabilities | 359 | 194
Total liabilities | 15,017 | 17,135
Commitments and contingencies |  |
Equity: |  |
Common stock, par value $0.50 per share; authorized, 20,000,000 shares: 9,031,606 issued at June 30, 2021; 8,445,060 issued at September 30, 2020 | 4,516 | 4,223
Additional paid-in capital | 3,023 | 1,350
Retained earnings (accumulated deficit) | 809 | (3,897)
Accumulated other comprehensive loss, net | (1,195) | (1,435)
Treasury stock, at cost: 167,900 shares at June 30, 2021 and September 30, 2020 | (2,286) | (2,286)
Total stockholders’ equity (deficit) | 4,867 | (2,045)
Non-controlling interests | (62) | 92
Total equity (deficit) | 4,805 | (1,953)
Total liabilities and equity | $ 19,822 | $ 15,182

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- Definition The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29,30) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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