Summary of Significant Accounting Policies and Other Items - Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Accrued expenses and other
Payroll, incentive compensation, payroll taxes and benefits	$ 10,708	$ 7,842
Accrued international freight	3,794	1,418
Income based tax payable	2,481	2,061
Accrued professional fees and other	1,790	1,512
Deferred revenue	1,371	1,110
Taxes other than income	767	1,414
Accrued workers' compensation insurance	600
Product warranties	556	293
Total	22,067	15,650
Self Insurance Accrued Expenses	$ 1,600	500
Product Warranties
Warranty period	12 months
Long Term Debt
Long-term debt	$ 0	$ 0