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Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Cash flows from operating activities: |  |  |
Net income | $ 114,549,279 | $ 106,244,916 | $ 42,963,660
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Vessel depreciation | (22,835,469) | (18,522,217) | (7,203,198)
Asset Impairment Charges | 13,832,716 | 0 | 0
Amortization and write off of deferred charges | 475,511 | 342,861 | 223,492
Net loss / (gain) on sale of vessel | (5,158,370) | 0 | 9,417
Amortization of fair value of below market time charters acquired | (11,368,879) | (10,827,595) | (230,112)
Gain on time charter agreements termination | (15,984,253) | 0 | 0
Share-based compensation | 1,083,414 | 951,385 | 182,324
Unrealized (gain) / loss on derivatives | 4,036,107 | (4,223,839) | (153,835)
Changes in operating assets and liabilities: (Increase) / decrease in: |  |  |
Trade accounts receivable | (1,464,979) | 701,768 | 738,294
Prepaid expenses | (152,627) | 32,523 | (138,414)
Other receivables | 3,239,195 | (3,792,426) | 143,739
Inventories | 178,138 | (31,723) | (612,032)
Due from related company | 32,146 | (32,146) | 0
Increase / (decrease) in: |  |  |
Due to related company | 1,298,941 | (309,970) | 285,898
Trade accounts payable | (1,079,404) | 2,014,706 | (740,664)
Accrued expenses | 109,232 | 53,458 | 393,352
Deferred revenues | 3,545,489 | 4,436,436 | 2,344,622
Net cash provided by operating activities | 130,007,125 | 114,082,571 | 52,612,939
Cash flows from investing activities: |  |  |
Cash paid for vessels under construction | (111,475,509) | (50,866,784) | (7,615,958)
Cash paid for vessel acquisitions including attached time charter agreements and vessel improvements | (817,740) | (39,822,933) | (66,474,058)
Net proceeds and advances from sale of vessels | 10,100,598 | 3,556,641 | (9,417)
Net cash used in investing activities | (102,192,651) | (87,133,076) | (74,099,433)
Cash flows from financing activities: |  |  |
Redemption of Series B preferred shares | 0 | 0 | (2,000,000)
Proceeds from issuance of common stock, net of commissions paid | 0 | 0 | 743,553
Cash paid for share repurchase | (3,145,435) | (5,026,746) | 0
Preferred dividends paid | 0 | 0 | (424,000)
Dividends paid | (13,982,351) | (10,804,879) | 0
Offering expenses paid | (102,896) | (27,633) | (123,167)
Loan arrangement fees paid | (731,000) | (115,500) | (758,000)
Proceeds from long-term bank loans | 92,000,000 | 19,250,000 | 75,500,000
Repayment of long-term bank loans | (68,975,000) | (30,284,460) | (23,791,840)
Repayment of related party loan | 0 | 0 | (2,500,000)
Net cash provided by / (used in) financing activities | 5,063,318 | (27,009,218) | 46,646,546
Net increase / (decrease) in cash, cash equivalents and restricted cash | 32,877,792 | (59,723) | 25,160,052
Cash, cash equivalents and restricted cash at beginning of year | 31,438,506 | 31,498,229 | 6,338,177
Cash, cash equivalents and restricted cash at end of year | 64,316,298 | 31,438,506 | 31,498,229
Cash breakdown |  |  |
Cash and cash equivalents | 58,613,304 | 25,845,333 | 26,530,944
Restricted cash, current | 2,994 | 2,193,173 | 167,285
Restricted cash, long term | 5,700,000 | 3,400,000 | 4,800,000
Total cash, cash equivalents and restricted cash shown in the statement of cash flows | 64,316,298 | 31,438,506 | 31,498,229
Supplemental cash flow information |  |  |
Cash paid for interest, net of capitalized expenses | 5,788,025 | 5,100,982 | 2,447,089
Financing, and investing activities fees: |  |  |
Offering expenses accrued | 0 | 56,877 | 84,510
Capital expenditures and improvements for vessels under construction included in liabilities | 2,371,700 | 648,979 | 690,481
Conversion of Stock, Amount Issued | 0 | 0 | 6,365,264
Dividends declared but not paid | $ 105,250 | $ 66,375 | $ 0

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