Divestiture	12 Months Ended
Dec. 31, 2019
Discontinued Operations and Disposal Groups [Abstract]
Divestiture	Divestiture During the second quarter of 2019, ParTech, Inc. entered into an asset purchase agreement to sell substantially all of the assets relating to the SureCheck product group within the Company's Restaurant/Retail segment. The sale does not qualify for treatment as a discontinued operation, and therefore, the SureCheck product group is included in the Company’s continuing operations for all periods presented. During the twelve months ended December 31, 2019, the Company recorded $1,213,000 of expenses related to the sale of the SureCheck product group, representing $509,000 related to inventory reserve and $704,000 in costs of service related to impairment of intangible assets for the SureCheck product group. For the three months ended December 31, 2019, the Company made adjustments of ($363,000) related to the sale, representing ($289,000) related to additional inventory reserve and ($74,000) in costs of service adjustments related to impairment of intangible assets.

Divestiture

12 Months Ended

Dec. 31, 2019

Discontinued Operations and Disposal Groups [Abstract]

During the second quarter of 2019, ParTech, Inc. entered into an asset purchase agreement to sell substantially all of the assets relating to the SureCheck product group within the Company's Restaurant/Retail segment. The sale does not qualify for treatment as a discontinued operation, and therefore, the SureCheck product group is included in the Company’s continuing operations for all periods presented. During the twelve months ended December 31, 2019, the Company recorded $1,213,000 of expenses related to the sale of the SureCheck product group, representing $509,000 related to inventory reserve and $704,000 in costs of service related to impairment of intangible assets for the SureCheck product group. For the three months ended December 31, 2019, the Company made adjustments of ($363,000) related to the sale, representing ($289,000) related to additional inventory reserve and ($74,000) in costs of service adjustments related to impairment of intangible assets.