Royalty Payable (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Schedule of Royalties [Line Items]
Net Profit %	23.70%
Royalty payable	$ 1,620	$ 998
Payments for royalties	$ 1,250
Potomac
Schedule of Royalties [Line Items]
Net Profit %	10.20%
Royalty payable	$ 698	422
LYL
Schedule of Royalties [Line Items]
Net Profit %	5.00%
Royalty payable	$ 341	206
Welmers
Schedule of Royalties [Line Items]
Net Profit %	1.50%
Royalty payable	$ 103	62
Foundation
Schedule of Royalties [Line Items]
Net Profit %	6.00%
Royalty payable	$ 410	248
Pendergast
Schedule of Royalties [Line Items]
Net Profit %	1.00%
Royalty payable	$ 68	$ 60