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Consolidated Statements of Cash Flow (USD $) | 12 Months Ended
--- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2010
Cash Flows From Operating Activities |  |  |
Net income (loss) attributable to the Company | $ 5,132,130 | $ (241,553) | $ (2,387,707)
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |  |
Depreciation, depletion and amortization | 1,150,454 | 563,104 | 1,818,110
Stock-based compensation | 1,475,995 | 1,536,007 | 2,148,400
Accretion of asset retirement obligations | 77,505 | 59,913 | 61,054
Settlement of asset retirement obligations | (61,936) | (1,847) |
Deferred income taxes | 2,549,592 | 380,386 | (771,437)
Deferred rent | (15,401) | 3,777 | 3,777
Other |  | 32,080 | 5,717
Changes in operating assets and liabilities: |  |  |
Receivables from oil and natural gas sales | 216,057 | (1,023,038) | (4,048)
Receivables from income taxes and other | (64,194) | 687,228 | 1,512,041
Due to/from joint interest partners | 139,705 | (87,743) |
Prepaid expenses and other current assets | (165,581) | 90,652 | 3,947
Accounts payable and accrued expenses | 379,873 | 497,783 | 65,144
Royalties payable | (448,638) | 521,589 | 2,585
Income taxes payable | 9,845 | 36,778 | (112,402)
Net cash provided by operating activities | 10,375,406 | 3,055,116 | 2,345,181
Cash Flows from Investing Activities |  |  |
Proceeds from asset sales | 799,610 | 231,326 |
Development of oil and natural gas properties | (3,291,921) | (2,509,652) | (3,280,425)
Acquisitions of oil and natural gas properties | (3,768,162) | (997,279) | (517,530)
Capital expenditures for other equipment | (61,176) | (864) |
Advances to joint venture operating partner | (224,206) |  |
Maturities of certificates of deposit |  | 1,100,000 | 2,059,147
Purchases of certificates of deposit |  |  | (1,350,000)
Other assets | (35,056) | (48,702) | (13,220)
Net cash used in investing activities | (6,580,911) | (2,225,171) | (3,102,028)
Cash Flows from Financing Activities |  |  |
Proceeds from issuance of preferred stock, net | 6,930,535 |  |
Proceeds from issuance of restricted stock |  | 28 | 42
Proceeds from the exercise of stock options |  | 106,049 | 3,300
Preferred stock dividends paid | (630,391) |  |
Deferred loan costs | (163,257) |  |
Windfall tax benefit | 249,728 | 173,157 |
Net cash provided by financing activities | 6,386,615 | 279,234 | 3,342
Net increase (decrease) in cash and cash equivalents | 10,181,110 | 1,109,179 | (753,505)
Cash and cash equivalents, beginning of period | 4,247,438 | 3,138,259 | 3,891,764
Cash and cash equivalents, end of period | $ 14,428,548 | $ 4,247,438 | $ 3,138,259

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