Income Taxes (Details Narrative) - USD ($)		12 Months Ended
	Jan. 01, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating Loss Carryforwards [Line Items]
Provision (benefit) for income taxes		$ 7,606	$ 587,207
Income tax benefit			$ 122,004
Valuation allowance reduction due to Tax Act		13,200,000
Undistributed earnings of foreign subsidiaries		3,300,000
Withholding tax liability		300,000
Unrecognized tax benefits that would reduce effective tax rate		262,711
Accrued interest		82,508
Unrecognized tax benefits expected to reverse, net twelve months		71,887
Research tax credit carryforward
Operating Loss Carryforwards [Line Items]
Tax credit carryforwards		3,100,000
Domestic tax authority
Operating Loss Carryforwards [Line Items]
Federal net operating loss carryforwards		$ 83,500,000
Subsequent Event
Operating Loss Carryforwards [Line Items]
Valuation allowance reduction due to Tax Act	$ 13,600,000
Provisional income tax benefit	13,500,000
Provisional transition tax	$ 700,000