SHEBOYGAN, Wis. (WHBL) - An early morning fire did around $20,000 damage at Nemschoff Chairs in Sheboygan.  Chief Jeff Hermann said the fire department received a call just before 4am of smoke in the production facility on Julson Court.  Staff and fire crews searched for the source of the smoke, and finally found machinery on fire. It was quickly put out, and the cause remains under investigation.