Promissory Notes- Additional Information (Details)															1 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 19, 2020 $ / shares shares	Dec. 14, 2020 USD ($) $ / shares	Nov. 10, 2020 USD ($) installment	May 20, 2020 USD ($) $ / shares	May 13, 2020 USD ($) installment	May 01, 2020 USD ($) installment	Apr. 22, 2020 USD ($) $ / shares	Feb. 13, 2020 USD ($) shares	Dec. 19, 2019 USD ($) $ / shares shares	Oct. 30, 2019 USD ($) $ / shares	Oct. 29, 2019 USD ($) $ / shares	Sep. 27, 2019 USD ($) $ / shares shares	Feb. 22, 2019 USD ($) $ / shares shares	Jun. 28, 2018 USD ($) $ / shares shares	Feb. 29, 2020 USD ($)	Jun. 30, 2020 USD ($)	Sep. 30, 2020 USD ($) shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) shares	Apr. 21, 2020 $ / shares	Apr. 10, 2020 USD ($)	Sep. 24, 2018 $ / shares	Nov. 25, 2015 USD ($)
Debt Instrument [Line Items]
Interest rate									10.00%
Common stock issued from conversion of convertible note | shares																			1,200,000
Conversion price | $ / shares									$ 1.00		$ 1.84		$ 1.84
Adjusted conversion price | $ / shares											$ 1.00		1.00
Amount of beneficial conversion feature											$ 200,000
Intrinsic value of beneficial conversion feature convertible Notes									$ 500,000
Number of shares issued | shares									2,000,000.0
Exercise price of warrants | $ / shares							$ 0.5869											$ 3.06				$ 5.375
Carrying amount of convertible note									$ 400,000
Issuance of stock and warrants									1,000,000.0
Fair value of convertible debt									2,200,000
Operating Lease, Liability																		$ 7,189,000
Deemed dividend on securities									500,000		$ 100,000
Non cash loss on Extinguishment of Debt									$ 2,700,000									8,891,000	$ (3,940,000)
Principal amount																		565,000	$ 26,932,000
Interest expense																		3,211
Stock Issued During Period, Shares, Conversion of Convertible Securities | shares																			1,200,000
Debt Instrument, Convertible, Conversion Price | $ / shares									$ 1.00		$ 1.84		1.84
Debt Instrument Convertible Conversion Price Adjusted | $ / shares											$ 1.00		$ 1.00
Vendor Notes Payable
Debt Instrument [Line Items]
Principal amount																		$ 105,000
Warrant II
Debt Instrument [Line Items]
Common stock issued from conversion of convertible note | shares	1,000,000.0
Conversion price | $ / shares	$ 1.00
Warrant expiry period									2 years
Warrant, Term									1 year
Stock Issued During Period, Shares, Conversion of Convertible Securities | shares	1,000,000.0
Debt Instrument, Convertible, Conversion Price | $ / shares	$ 1.00
Warrant I
Debt Instrument [Line Items]
Common stock issued from conversion of convertible note | shares	1,700,000
Conversion price | $ / shares	$ 1.50
Warrant expiry period									7 years
Stock Issued During Period, Shares, Conversion of Convertible Securities | shares	1,700,000
Debt Instrument, Convertible, Conversion Price | $ / shares	$ 1.50
$2.05 million Senior Secured Convertible Debenture due in August 2020, ID Venturas 7 [Member]
Debt Instrument [Line Items]
Interest rate													10.00%
Common stock issued from conversion of convertible note | shares																		1,400,000
Conversion price | $ / shares													$ 1.84
Adjusted conversion price | $ / shares										$ 1.00
Amount of beneficial conversion feature										$ 1,400,000
Issuance expenses													$ 50,000
Intrinsic value of beneficial conversion feature convertible Notes							$ 300,000
Senior secured convertible note													$ 2,100,000
Number of shares issued | shares												250,000	1,200,000
Exercise price of warrants | $ / shares							$ 0.5869			$ 1.00										$ 1.00
Carrying amount of convertible note												$ 800,000
Issuance of stock and warrants													$ 1,600,000
Proceeds from convertible debt													$ 2,000,000.0
Fair value of convertible debt												1,700,000
Warrant, Term													5 years
Increase in additional paid in capital and reduced													$ 600,000
Deemed dividend on securities							$ 59,372,000,000			$ 200,000
Non cash loss on Extinguishment of Debt												$ 1,200,000
Number of additional shares issued | shares													250,000
Floor Price of Secured Notes												10.00%
Closing of Convertible Debentures Value																		$ 850,000	$ 1,200,000
Penalty fee for late payments of interests and compensation													8.00%
Interest expense																		$ 900,000	1,200,000
Stock Issued During Period, Shares, Conversion of Convertible Securities | shares																		1,400,000
Payments of Debt Issuance Costs													$ 50,000
Debt Instrument, Convertible, Conversion Price | $ / shares													$ 1.84
Debt Instrument Convertible Conversion Price Adjusted | $ / shares										$ 1.00
$2.05 million Senior Secured Convertible Debenture due in August 2020, ID Venturas 7 [Member] | Maximum
Debt Instrument [Line Items]
Exercise price of warrants | $ / shares										1.84
Warrant, Term													7 years
$3.58 million Senior Secured Convertible Debenture due in March 2021 - ID Venturas 7
Debt Instrument [Line Items]
Interest rate												10.00%
Common stock issued from conversion of convertible note | shares																	7,300,000
Conversion price | $ / shares												$ 1.84
Adjusted conversion price | $ / shares										1.00
Amount of beneficial conversion feature				$ 0								$ 1,300,000
Issuance expenses												65,000
Intrinsic value of beneficial conversion feature convertible Notes							$ 300,000
Senior secured convertible note												$ 2,500,000
Number of shares issued | shares												1,500,000
Exercise price of warrants | $ / shares							$ 0.5869													$ 1.00
Carrying amount of convertible note				$ 1,000,000.0
Issuance of stock and warrants												$ 4,700,000
Warrant expiry period												7 years
Proceeds from convertible debt												$ 3,500,000
Proceeds from convertible debt, net												$ 3,600,000
Warrant, Term												5 years
Deemed dividend on securities							$ 100,000
Number of additional shares issued | shares												1,100,000
Closing of Convertible Debentures Value																	$ 3,600,000
Penalty fee for late payments of interests and compensation												8.00%
Interest expense																		$ 2,100,000	700,000
Stock Issued During Period, Shares, Conversion of Convertible Securities | shares																	7,300,000
Payments of Debt Issuance Costs												$ 65,000
Debt Instrument, Convertible, Conversion Price | $ / shares												$ 1.84
Debt Instrument Convertible Conversion Price Adjusted | $ / shares										$ 1.00
$3.58 million Senior Secured Convertible Debenture due in March 2021 - ID Venturas 7 | Minimum
Debt Instrument [Line Items]
Adjusted conversion price | $ / shares				$ 0.36
Debt Instrument Convertible Conversion Price Adjusted | $ / shares				0.36
$5 million Senior Secured Convertible Debenture due in December 2020 - YA II PN
Debt Instrument [Line Items]
Interest rate	4.00%
Redemption Premium									15.00%
Common stock issued from conversion of convertible note | shares																		9,700,000
Conversion price | $ / shares				1.0			$ 1.00		$ 1.50
Common Stock, Share Price Calculated As A Percentage Of Market Price									90.00%
Adjusted conversion price | $ / shares				$ 0.36			$ 0.5869
Amount of beneficial conversion feature				$ 0
Proceeds from convertible debt															$ 2,000,000.0				2,900,000
Proceeds from convertible debt, net																			100,000
Warrant, Term									5 years
Percentage of discount issued on Convertible loans									4.00%
Secured Convertible Debentures Value Agreed to purchase									$ 5,000,000.0
Increase in additional paid in capital and reduced							$ 2,700,000
Floor Price of Secured Notes									1.00%
Closing of Convertible Debentures Value																		$ 5,000,000.0
Interest expense																		$ 5,000,000.0	70,000
Stock Issued During Period, Shares, Conversion of Convertible Securities | shares																		9,700,000
Debt Instrument, Convertible, Conversion Price | $ / shares				$ 1.0			$ 1.00		$ 1.50
Debt Instrument Convertible Conversion Price Adjusted | $ / shares				0.36			$ 0.5869
$5 million Senior Secured Convertible Debenture due in December 2020 - YA II PN | First Closing
Debt Instrument [Line Items]
Closing of Convertible Debentures Value									$ 2,000,000.0
Closing Of Shares of Common Stock | shares									1,400,000
$5 million Senior Secured Convertible Debenture due in December 2020 - YA II PN | Second Closing
Debt Instrument [Line Items]
Closing of Convertible Debentures Value																			$ 1,000,000.0
Closing Of Shares of Common Stock | shares																			700,000
$5 million Senior Secured Convertible Debenture due in December 2020 - YA II PN | Third Closing
Debt Instrument [Line Items]
Closing of Convertible Debentures Value								$ 2,000,000.0
Closing Of Shares of Common Stock | shares								1,400,000
$5 million Senior Secured Convertible Debenture due in December 2020 - YA II PN | Warrant II
Debt Instrument [Line Items]
Interest rate									1.54%
$25.0 Million Convertible Debenture due in June 2021 - YA II PN
Debt Instrument [Line Items]
Interest rate		4.00%
Conversion price | $ / shares		$ 1.93
Interest expense recognized to beneficial conversion feature		$ 18
Senior secured convertible note		$ 25,000,000.0
Proceeds from convertible debt																		$ 25,000,000.0
Closing of Convertible Debentures Value																		$ 25,000,000.0
Closing Of Shares of Common Stock | shares																		13,000,000.0
Interest expense																		$ 44,384
Debt Instrument, Convertible, Conversion Price | $ / shares		$ 1.93
Small Business Association Paycheck Protection Program (h)
Debt Instrument [Line Items]
Interest rate						1.00%															1.00%
Carrying amount of convertible note						$ 100,000															$ 300,000
Debt Instrument, Number of Installments | installment			18			18
Debt Instrument, Installment Payable			$ 18,993			$ 7,000
Expected term | $2.05 million Senior Secured Convertible Debenture due in August 2020, ID Venturas 7 [Member]
Debt Instrument [Line Items]
Warrant, Term										5 years			5 years
Expected term | $3.58 million Senior Secured Convertible Debenture due in March 2021 - ID Venturas 7
Debt Instrument [Line Items]
Warrant expiry period							7 years
Warrant, Term												5 years
Expected dividend yield | $2.05 million Senior Secured Convertible Debenture due in August 2020, ID Venturas 7 [Member]
Debt Instrument [Line Items]
Warrants and rights outstanding, Measurement Input							0			0			0
Expected dividend yield | $3.58 million Senior Secured Convertible Debenture due in March 2021 - ID Venturas 7
Debt Instrument [Line Items]
Warrants and rights outstanding, Measurement Input							0					0
Expected dividend yield | $5 million Senior Secured Convertible Debenture due in December 2020 - YA II PN
Debt Instrument [Line Items]
Warrants and rights outstanding, Measurement Input									0
Expected volatility | $2.05 million Senior Secured Convertible Debenture due in August 2020, ID Venturas 7 [Member]
Debt Instrument [Line Items]
Warrants and rights outstanding, Measurement Input							122.4			112.0			111.83
Expected volatility | $3.58 million Senior Secured Convertible Debenture due in March 2021 - ID Venturas 7
Debt Instrument [Line Items]
Warrants and rights outstanding, Measurement Input							122.4					122.44
Expected volatility | $5 million Senior Secured Convertible Debenture due in December 2020 - YA II PN
Debt Instrument [Line Items]
Warrants and rights outstanding, Measurement Input									122.44
Risk free interest rate | $2.05 million Senior Secured Convertible Debenture due in August 2020, ID Venturas 7 [Member]
Debt Instrument [Line Items]
Warrant expiry period							7 years
Warrants and rights outstanding, Measurement Input							1.84			2.48			2.48
Risk free interest rate | $3.58 million Senior Secured Convertible Debenture due in March 2021 - ID Venturas 7
Debt Instrument [Line Items]
Warrants and rights outstanding, Measurement Input							1.84					1.66
Risk free interest rate | $5 million Senior Secured Convertible Debenture due in December 2020 - YA II PN
Debt Instrument [Line Items]
Interest rate									1.66%
Advantech Capital Investment II Limited
Debt Instrument [Line Items]
Principal amount																			$ 12,000,000
Advantech Capital Investment II Limited | Private placement
Debt Instrument [Line Items]
Common stock issuance (GTD)														$ 12,000,000.0
Interest rate														8.00%
Common stock issued from conversion of convertible note | shares														12,000,000.0
Conversion price | $ / shares														$ 1.82
Adjusted conversion price | $ / shares				0.36			$ 0.5869							$ 1.00
Amount of beneficial conversion feature							$ 0			$ 10,600,000
Issuance expenses														$ 34,133
Intrinsic value of beneficial conversion feature convertible Notes										$ 1,400,000
Interest expense																		7,700,000	1,500,000
Stock Issued During Period, Shares, Conversion of Convertible Securities | shares														12,000,000.0
Payments of Debt Issuance Costs														$ 34,133
Debt Instrument, Convertible, Conversion Price | $ / shares														$ 1.82
Debt Instrument Convertible Conversion Price Adjusted | $ / shares				$ 0.36			$ 0.5869							$ 1.00
Pay off amount																		14,500,000
Gain recognized as of payoff																		8,400,000
DBOT
Debt Instrument [Line Items]
Interest rate					0.25%											4.00%							6.00%
Initial Amount					$ 30,000
Unsecured promissory note					$ 60,000
Operating Lease, Liability																$ 900,000
Principal amount																							$ 3,000,000.0
Interest expense																$ 100,000		$ 200,000	$ 200,000
Debt Instrument, Number of Installments | installment					2
Promissory Note
Debt Instrument [Line Items]
Interest rate																4.00%
Remaining Operating Lease Liability																$ 900,000