Each vessel, not documented according to the maritime or admiralty laws of the United States, shall be subject to a lien in the amount of a claim of not less than fifty dollars by any person, hereinafter called the lienor, for work done, including the equipping of such vessel with safety devices, materials furnished or expenses incurred in connection with the building, repairing, mooring, dockage or storage of such vessel. This lien shall be subordinate to security interests previously filed in the office of the Secretary of the State. The lienor may retain possession of the vessel until the charges for such work, materials or expenses have been paid or the lien has been dissolved.