0001017303 2020-01-01 2020-12-31 false TRANSACT TECHNOLOGIES INC 0001017303 8-K 2020-11-05 DE 0-21121 06-1456680 One Hamden Center 2319 Whitney Avenue, Suite 3B Hamden CT 06518 203 859-6800 false false false false Common stock, par value $0.01 per share TACT NASDAQ false false