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Note 13 - Capital Stock, Treasury Stock and Additional Paid-in Capital | 12 Months Ended
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Dec. 31, 2017
Notes to Financial Statements |
Stockholders' Equity Note Disclosure [Text Block] |
| 13. | Capital Stock, Treasury Stock and Additional Paid-in Capital
The amounts shown in the accompanying consolidated balance sheets as additional paid-in capital, represent payments made by the stockholders for the acquisitions of the Company’s vessels, or investments in the Company’s common stock. On March 22, 2010, the Company’s Board of Directors adopted a new stock repurchase plan for up to $15,000,000 to be used for repurchasing the Company’s common shares. For the year ended December 31, 2010, the Company completed the repurchase of 1,205,229 shares paying an average price per share of $5.21. These shares were cancelled and removed from the Company’s capital stock. During the year ended December 31, 2011, the Company completed the repurchase of additional 551,646 shares paying an average price per share of $4.05. These shares are held as treasury stock by the Company. No shares were repurchased during the years ended December 31, 2012 and 2013. On April 30, 2013, the Company completed a follow-on public offering of 11,500,000 shares of common stock, par value of $0.01, for $10.00 per share. The gross proceeds from the offering amounted to $115,000,000, while the net proceeds after the underwriters’ discounts and commissions and other related expenses amounted to $109,119,029. On February 14, 2014, the Company completed an underwritten registered offering of 3,398,558 shares of common stock, par value of $0.01, for $9.71 per share. The gross proceeds from the offering amounted to $32,999,998, while the net proceeds after the underwriters’ discounts and commissions and other related expenses amounted to $31,937,044. On May 7, 2014, the Company completed an underwritten registered offering of 4,476,195 shares of common stock, par value of $0.01, for $10.50 per share. The gross proceeds from the offering amounted to $47,000,047, while the net proceeds after the underwriters’ discounts and commissions and other related expenses amounted to $46,294,133. On August 12, 2014, the Company completed an underwritten registered offering of 3,500,000 shares of common stock, par value of $0.01, for $10.00 per share. The gross proceeds from the offering amounted to $35,000,000, while the net proceeds after the underwriters’ discounts and commissions and other related expenses amounted to $34,071,501. On November 26, 2014, the Company’s Board of Directors adopted a new stock repurchase plan for up to $10,000,000 to be used for repurchasing the Company’s common shares. For the year ended December 31, 2014, the Company completed the repurchase of 843,022 shares paying an average price per share of $6.30. These shares are held as treasury stock by the Company. On February 26, 2015, the Company’s Board of Directors approved the extension of the existing stock repurchase plan for an additional amount of $20,000,000 to be used for repurchasing the Company’s common shares. For the year ended December 31, 2015, the Company completed the repurchase of 2,372,097 shares paying an average price per share of $5.46. For the year ended December 31, 2016, the Company completed the repurchase of an additional 657,113 shares paying an average price per share of $3.10. These shares are held as treasury stock by the Company. For the year ended December 31, 2017, the Company has not made any repurchase of its common shares.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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