Summary of Significant Accounting Policies (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Jan. 02, 2019
Significant Accounting Policies [Line Items]
FDIC limit of insurable cash	$ 250,000
Letters of credit outstanding, amount	746,792	$ 185,380
Allowance for doubtful accounts receivable	20,753	20,753
Inventory valuation reserves	288,378	92,454
Amortization of intangible assets	672,823	267,816
Impairment of finite-lived intangible assets	$ 750,596
Share-based compensation arrangement by share-based payment award, award vesting period	4 years
Goodwill	$ 8,024,729	$ 600,814
Finite-lived intangible assets, fair value	$ 0
Antidilutive securities excluded from computation of earnings per share, amount	7,500,000	5,100,000
Operating lease right of use asset	$ 2,082,300	$ 1,043,537	$ 2,200,000
Operating lease liability	2,456,978		$ 2,500,000
Depreciation expense	1,152,954	186,244
Research and development expense to government grant	495,153
Earned but not yet received	413,530
Domestic Country [Member]
Significant Accounting Policies [Line Items]
Operating loss carryforwards	$ 196,511,928	188,282,298
Operating loss carryforwards, expiration terms	begin to expire in 2022
Foreign [Member]
Significant Accounting Policies [Line Items]
Operating loss carryforwards	$ 160,540,528
Operating loss carryforwards, foreign subsidiaries	$ 138,576,755
Minimum [Member]
Significant Accounting Policies [Line Items]
Accounts receivable period due	30 days
Fair value assumptions, expected term	5 years 2 months 30 days
Maximum [Member]
Significant Accounting Policies [Line Items]
Accounts receivable period due	60 days
Fair value assumptions, expected term	6 years 2 months 30 days
Employee Stock Option [Member] | Minimum [Member]
Significant Accounting Policies [Line Items]
Fair value assumptions, expected term	6 years 2 months 30 days
Employee Stock Option [Member] | Maximum [Member]
Significant Accounting Policies [Line Items]
Fair value assumptions, expected term	10 years
ASU 2016-02 [Member]
Significant Accounting Policies [Line Items]
Impairment charge	$ 101,838	$ 520,759
Customer One [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]
Significant Accounting Policies [Line Items]
Concentration risk, percentage	20.00%	44.00%
Customer One [Member] | Sales Revenue, Net [Member] | Customer Concentration Risk [Member]
Significant Accounting Policies [Line Items]
Concentration risk, percentage	21.00%	38.00%