Segment Reporting (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) Segment	Sep. 30, 2019 USD ($)
Segment Reporting [Abstract]
Number of Reportable Segments | Segment			2
Segment Reporting Information [Line Items]
Total revenue	$ 90,277	$ 94,779	$ 253,458	$ 282,219
Gross profit	47,225	50,574	134,459	150,540
Operating Income (Loss)	2,001	6,446	21,208	13,613
Interest Expense	142	138	329	481
Other Nonoperating Income (Expense)	615	(13)	15	798
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	2,474	6,295	20,894	13,930
Lawson [Member]
Segment Reporting Information [Line Items]
Revenue	79,806	83,461	224,511	250,895
Gross profit	43,038	46,148	123,031	138,524
Operating Income (Loss)	1,112	5,377	19,003	11,490
Bolt [Member]
Segment Reporting Information [Line Items]
Revenue	10,471	11,318	28,947	31,324
Gross profit	4,187	4,426	11,428	12,016
Operating Income (Loss)	$ 889	1,069	$ 2,205	2,123
Service [Member]
Segment Reporting Information [Line Items]
Revenue		$ 10,300		$ 29,900