Revenue, Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended |
Mar. 31, 2019 | Mar. 31, 2018 |
Disaggregation of revenue [Abstract] | | |
Total net sales | $ 11,550 | $ 12,243 |
United States [Member] | | |
Disaggregation of revenue [Abstract] | | |
Total net sales | 9,007 | |
International [Member] | | |
Disaggregation of revenue [Abstract] | | |
Total net sales | 2,543 | |
Restaurant Solutions [Member] | | |
Disaggregation of revenue [Abstract] | | |
Total net sales | 928 | |
Restaurant Solutions [Member] | United States [Member] | | |
Disaggregation of revenue [Abstract] | | |
Total net sales | 832 | |
Restaurant Solutions [Member] | International [Member] | | |
Disaggregation of revenue [Abstract] | | |
Total net sales | 96 | |
POS Automation and Banking [Member] | | |
Disaggregation of revenue [Abstract] | | |
Total net sales | 1,277 | |
POS Automation and Banking [Member] | United States [Member] | | |
Disaggregation of revenue [Abstract] | | |
Total net sales | 1,259 | |
POS Automation and Banking [Member] | International [Member] | | |
Disaggregation of revenue [Abstract] | | |
Total net sales | 18 | |
Casino and Gaming [Member] | | |
Disaggregation of revenue [Abstract] | | |
Total net sales | 5,483 | |
Casino and Gaming [Member] | United States [Member] | | |
Disaggregation of revenue [Abstract] | | |
Total net sales | 3,424 | |
Casino and Gaming [Member] | International [Member] | | |
Disaggregation of revenue [Abstract] | | |
Total net sales | 2,059 | |
Lottery [Member] | | |
Disaggregation of revenue [Abstract] | | |
Total net sales | 697 | |
Lottery [Member] | United States [Member] | | |
Disaggregation of revenue [Abstract] | | |
Total net sales | 697 | |
Lottery [Member] | International [Member] | | |
Disaggregation of revenue [Abstract] | | |
Total net sales | 0 | |
Printrex [Member] | | |
Disaggregation of revenue [Abstract] | | |
Total net sales | 342 | |
Printrex [Member] | United States [Member] | | |
Disaggregation of revenue [Abstract] | | |
Total net sales | 297 | |
Printrex [Member] | International [Member] | | |
Disaggregation of revenue [Abstract] | | |
Total net sales | 45 | |
TransAct Services Group [Member] | | |
Disaggregation of revenue [Abstract] | | |
Total net sales | 2,823 | |
TransAct Services Group [Member] | United States [Member] | | |
Disaggregation of revenue [Abstract] | | |
Total net sales | 2,498 | |
TransAct Services Group [Member] | International [Member] | | |
Disaggregation of revenue [Abstract] | | |
Total net sales | $ 325 | |