Annual report pursuant to Section 13 and 15(d)

Note 15 - Share Based Compensation - Equity Incentive Plan Transactions (Details)

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Note 15 - Share Based Compensation - Equity Incentive Plan Transactions (Details) - shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Distributed by SEACOR Holdings in connection with the Spin-off (in shares)   120,693
Outstanding as of the beginning of year (in shares) 613,700
Granted - 2017 Plan (in shares) 258,491 613,700
Exercised (in shares) 66,625
Forfeited (in shares)
Expired (in shares)
Outstanding as of the end of year (in shares) 805,566 613,700
Director Stock Awards [Member]    
Granted (in shares) 19,285 3,000
Restricted Stock [Member]    
Granted (in shares) 120,600 1,000
Outstanding as of the beginning of year (in shares) 121,693
Distributed by SEACOR Holdings in connection with the Spin-off (in shares) 120,693
Vested (in shares) 49,947
Forfeited (in shares)
Outstanding as of the end of year (in shares) 192,346 121,693