Class of warrant or right outstanding per warrant.

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Class of warrant or right outstanding percentage equal to original principal.

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Debt conversion floor price.

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Debt instrument extended maturity date.

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Discount for non interest bearing convertible note.

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Line of credit amount converted to term loan.

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Loan forgiveness period.

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Monthly amortization payments percentage of initial principal.

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Number of Individuals.

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Number of lines of credit.

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Number of term loans outstanding.

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Number of trading days.

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Payroll costs exclude compensation of individual employee.

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Percentage of forgiven amount for non-payroll costs.

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Percentage of market price.

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Percentage of payroll requirement.

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Percentage of reduction in salaries and wages for employees.

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Salaries and wages of employees.

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Volume weighted average price percentage.

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Volume weighted average price, period.

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Amount of amortization expense attributable to debt issuance costs.

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Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.

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Exercise price per share or per unit of warrants or rights outstanding.

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Number of warrants or rights outstanding.

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Face amount or stated value per share of common stock.

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The name of the original debt issue that has been converted in a noncash (or part noncash) transaction during the accounting period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The rate of interest that was being paid on the original debt issue that is being converted in the noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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The price per share of the conversion feature embedded in the debt instrument.

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Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

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Face (par) amount of debt instrument at time of issuance.

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The average effective interest rate during the reporting period.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Amount of the required periodic payments including both interest and principal payments.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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The cash inflow from a borrowing supported by a written promise to pay an obligation.

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Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

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Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.

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Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Debt - Additional Information (Details)						1 Months Ended						3 Months Ended		9 Months Ended
Debt - Additional Information (Details)	Jul. 01, 2020	May 11, 2020 USD ($)	Apr. 24, 2020 USD ($)	Apr. 20, 2020 USD ($) $ / shares	Apr. 09, 2020 EUR (€)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Apr. 30, 2019 USD ($) Individual $ / shares shares	Apr. 30, 2019 EUR (€) Individual	Sep. 30, 2017 USD ($)	Sep. 30, 2017 EUR (€)	Sep. 30, 2020 USD ($) LineofCredit TermLoan $ / shares	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) LineofCredit TermLoan $ / shares	Sep. 30, 2019 USD ($)	Sep. 30, 2020 EUR (€) LineofCredit TermLoan	Dec. 31, 2019 USD ($) $ / shares	Dec. 31, 2019 EUR (€)	Sep. 30, 2019 EUR (€)	Jun. 30, 2019 EUR (€)	Apr. 30, 2019 EUR (€) shares	Sep. 30, 2017 EUR (€)
Debt Instrument [Line Items]
Total balance outstanding												$ 5,480,102		$ 5,480,102
Debt discount amortization												$ 72,372	$ 7,520	$ 139,221	$ 13,786
Proceeds from loan															374,623
Non-interest bearing convertible note			$ 6,000,000
Common stock, par value \| $ / shares												$ 0.0001		$ 0.0001			$ 0.0001
Original issue discount rate			10.00%
April 2019 Notes
Debt Instrument [Line Items]
Total balance outstanding												$ 109,262		$ 109,262			$ 241,054
Debt instrument, face amount								$ 350,000
Debt instrument, interest rate								9.50%													9.50%
Debt instrument, monthly / quarterly principal and interest payments								$ 16,100
Debt maturity term								2 years	2 years
Number of individuals \| Individual								3	3
Warrants to purchase common stock percentage equal to original principal								10.00%	10.00%
Warrants exercise price \| $ / shares								$ 2.15
Warrants to purchase common stock \| shares								16,276													16,276
Estimated fair value of each warrants \| $ / shares								$ 0.90
April 2019 Notes \| Warrants
Debt Instrument [Line Items]
Fair value of the warrant issued								$ 14,037
April 2019 Notes \| Warrants \| Exercise Price
Debt Instrument [Line Items]
Warrants exercise price \| $ / shares								$ 2.15
April 2019 Notes \| Warrants \| Contractual Term
Debt Instrument [Line Items]
Fair value assumptions								5 years													5 years
April 2019 Notes \| Warrants \| Volatility Rate
Debt Instrument [Line Items]
Fair value assumptions								0.4460													0.4460
April 2019 Notes \| Warrants \| Dividend Rate
Debt Instrument [Line Items]
Fair value assumptions								0.000													0.000
April 2019 Notes \| Warrants \| Risk-free Interest Rate
Debt Instrument [Line Items]
Fair value assumptions								0.02307													0.02307
April 2019 Related Party Notes \| Board of Directors
Debt Instrument [Line Items]
Total balance outstanding												358,077		358,077			791,170
Debt instrument, face amount								$ 1,150,000
Debt instrument, interest rate								9.50%													9.50%
Debt instrument, monthly / quarterly principal and interest payments								$ 52,900
Debt maturity term								2 years	2 years
Number of individuals \| Individual								3	3
Warrants to purchase common stock percentage equal to original principal								10.00%	10.00%
Warrants exercise price \| $ / shares								$ 2.15
Warrants to purchase common stock \| shares								53,490													53,490
Estimated fair value of each warrants \| $ / shares								$ 0.90
April 2019 Related Party Notes \| Warrants
Debt Instrument [Line Items]
Fair value of the warrant issued								$ 46,121
April 2019 Related Party Notes \| Warrants \| Exercise Price
Debt Instrument [Line Items]
Warrants exercise price \| $ / shares								$ 2.15
April 2019 Related Party Notes \| Warrants \| Contractual Term
Debt Instrument [Line Items]
Fair value assumptions								5 years													5 years
April 2019 Related Party Notes \| Warrants \| Volatility Rate
Debt Instrument [Line Items]
Fair value assumptions								0.4260													0.4260
April 2019 Related Party Notes \| Warrants \| Dividend Rate
Debt Instrument [Line Items]
Fair value assumptions								0.000													0.000
April 2019 Related Party Notes \| Warrants \| Risk-free Interest Rate
Debt Instrument [Line Items]
Fair value assumptions								0.023067													0.023067
PPP Loan
Debt Instrument [Line Items]
Total balance outstanding												$ 1,499,360		$ 1,499,360
Debt instrument, interest rate												1.00%		1.00%		1.00%
Debt instrument, maturity date														Apr. 28, 2022
Proceeds from loan		$ 1,499,360
Loan forgiveness period		56 days												168 days
Percentage of payroll requirement														60.00%
PPP Loan \| Minimum
Debt Instrument [Line Items]
Payroll costs exclude compensation of individual employee		$ 100,000
Percentage of reduction in salaries and wages for employees		25.00%
PPP Loan \| Maximum
Debt Instrument [Line Items]
Percentage of forgiven amount for non-payroll costs		25.00%
Salaries and wages for employees		$ 100,000
PPP Loan \| PPP Note
Debt Instrument [Line Items]
Debt instrument, interest rate		1.00%
Debt instrument, maturity date		Apr. 28, 2022
Senior Secured Convertible Promissory Notes
Debt Instrument [Line Items]
Debt instrument, face amount			$ 3,000,000
Debt instrument, interest rate			10.00%
Senior Secured Convertible Promissory Notes \| Securities Purchase Agreement
Debt Instrument [Line Items]
Debt instrument, interest rate			0.00%
Debt instrument, maturity date														Apr. 01, 2022
Debt discount amortization												$ 61,518		$ 110,659
Non-interest bearing convertible note			$ 3,000,000	$ 6,000,000										$ 3,000,000
Common stock, par value \| $ / shares				$ 0.0001
Debt instrument, initial conversion price per share \| $ / shares				$ 2.50
Original issue discount rate				10.00%
Debt instrument, aggregate purchase price			$ 2,700,000
Debt instrument, conversion price percentage, eligibility of conversion				135.00%
Monthly amortization payments percentage of initial principal	0.04545%
Debt instrument, redemption price percentage	105.00%													110.00%
Debt instrument, conversion description				Subject to the satisfaction of certain equity conditions set forth in the notes, installment amounts may be satisfied in shares of our common stock, with such installment conversion at a conversion price equal to the lower of (i) the conversion price then in effect and (ii) the greater of (x) the floor price of $1.00 (80% of the Nasdaq market price at date of purchase agreement) and (y) the lower of (I) 82.5% the volume weighted average price of our common stock on the trading day immediately before the applicable installment date and (II) 82.5% of the lowest volume weighted average price in the 20 days prior to the installment date.
Percentage of market price				80.00%
Volume weighted average price period				20 days
Number of trading days, shares pre-delivered				2 days
Debt issuance costs				$ 316,274
Debt issuance costs amortized												$ 64,855		$ 116,662
Senior Secured Convertible Promissory Notes \| Minimum \| Securities Purchase Agreement
Debt Instrument [Line Items]
Debt conversion floor price \| $ / shares				$ 1.00
Volume weighted average price percentage				82.50%
Senior Secured Convertible Promissory Notes \| Maximum \| Securities Purchase Agreement
Debt Instrument [Line Items]
Volume weighted average price percentage				82.50%
Bressner Technology GmbH
Debt Instrument [Line Items]
Number of term loans outstanding \| TermLoan												3		3		3
Line of credit amount converted to term loan \| €					€ 500,000
Bressner Technology GmbH \| Term Loans
Debt Instrument [Line Items]
Total balance outstanding												$ 1,327,740		$ 1,327,740		€ 1,132,519
Bressner Technology GmbH \| Note Payable Maturing on March 31, 2021
Debt Instrument [Line Items]
Total balance outstanding												155,362		155,362		132,519	290,534	€ 263,556
Debt instrument, face amount								$ 586,189													€ 500,000
Debt instrument, interest rate								2.25%													2.25%
Debt instrument, monthly / quarterly principal and interest payments								$ 24,960	€ 22,232
Debt instrument, maturity date								Mar. 31, 2021	Mar. 31, 2021
Bressner Technology GmbH \| Note Payable Maturing on June 18, 2021
Debt Instrument [Line Items]
Total balance outstanding												$ 586,189		$ 586,189		€ 500,000	571,095	508,679
Debt instrument, face amount							$ 586,189													€ 500,000
Debt instrument, interest rate							1.70%					1.87%		1.87%		1.87%				1.70%
Debt instrument, maturity date							Jun. 25, 2020
Debt instrument, extended maturity date							Jun. 18, 2021
Bressner Technology GmbH \| Note Payable Maturing on January 31, 2020
Debt Instrument [Line Items]
Total balance outstanding																	28,068	25,000
Debt instrument, face amount										$ 436,272												€ 400,000
Debt instrument, interest rate										2.125%												2.125%
Debt instrument, monthly / quarterly principal and interest payments										$ 28,068	€ 25,000
Debt instrument, maturity date										Jan. 31, 2020	Jan. 31, 2020
Bressner Technology GmbH \| Note Payable Maturing on March 24, 2020
Debt Instrument [Line Items]
Total balance outstanding																	338,663	€ 301,650
Debt instrument, face amount						$ 336,810							$ 336,810		$ 336,810				€ 300,000
Debt instrument, interest rate						1.65%							1.65%		1.65%				1.65%
Debt instrument, maturity date						Mar. 24, 2020
Term Loans \| Bressner Technology GmbH
Debt Instrument [Line Items]
Total balance outstanding												$ 586,189		$ 586,189		€ 500,000
Debt instrument, interest rate					1.90%
Debt maturity term					1 year
German Institutions \| Revolving Credit Facility \| Bressner Technology GmbH
Debt Instrument [Line Items]
Number of lines of credit \| LineofCredit												2		2		2
Line of credit facility, maximum borrowing capacity												$ 1,875,805		$ 1,875,805		€ 1,600,000
Line of credit current rate														3.89%
Outstanding lines of credit balance												$ 0		$ 0			$ 0