13. Significant Customer Concentrations (Details) - Schedules of Concentration of Risk, by Risk Factor - USD ($)	3 Months Ended								12 Months Ended
	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2018	Mar. 31, 2017
Concentration Risk [Line Items]
Net sales	$ 2,069,553	$ 2,625,793	$ 1,787,165	$ 3,542,077	$ 4,090,539	$ 4,236,519	$ 5,076,029	$ 5,342,369	$ 10,024,588	$ 18,745,456
Domestic Customers [Member] | Customer Concentration Risk [Member] | Sales Revenue, Goods, Net [Member]
Concentration Risk [Line Items]
Net sales									7,424,780	16,962,810
Foreign Customers [Member] | Customer Concentration Risk [Member] | Sales Revenue, Goods, Net [Member]
Concentration Risk [Line Items]
Net sales									$ 2,599,808	$ 1,782,646