Oblong Industries Acquisition - Additional Information (Details) - USD ($)		3 Months Ended	12 Months Ended
	Oct. 01, 2019	Dec. 31, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Common Stock, convertible, par value (in dollars per share)	$ 0.0001	$ 0.0001	$ 0.0001	$ 0.0001
Exercise period	1 year
Fair value, exercise price (in dollars per share)	$ 4.92
Fair value, risk free interest rate	2.00%
Fair value, expected volatility	217.00%
Fair value, expected term	1 year
Goodwill		$ 7,907,000	$ 7,907,000	$ 2,795,000	$ 7,750,000
Series D Preferred Stock
Business Acquisition [Line Items]
Conversion of convertible preferred stock, shares (in shares)	1,686,659
Conversion price (in dollars per share)	$ 2.85
Preferred stock percentage	6.00%		6.00%
Preferred stock, convertible, par value (in dollars per share)	$ 0.0001	$ 0.0001	$ 0.0001	$ 0.0001
Preferred stock, stated value	$ 28.50	$ 28.50	$ 28.50	$ 28.50
Convertible preferred stock, shares issued upon conversion (in shares)		17,349,010	17,349,010
Oblong Industries
Business Acquisition [Line Items]
Shares issued (in dollars per share)	$ 0.47
Purchase price	$ 18,862,000
Acquisition costs		$ 468,000
Equity issued	51,000
Goodwill	$ 7,366,000
Oblong Industries | Series D Preferred Stock
Business Acquisition [Line Items]
Shares issued (in dollars per share)	$ 11.15
Equity issued	$ 18,811,000
Common Stock
Business Acquisition [Line Items]
Conversion of convertible preferred stock, shares (in shares)			44,000	542,000
Unvested restricted shares outstanding (in shares)			109,000	56,000
Share price (in dollars per share)	$ 1.00
Restricted Stock | Series D Preferred Stock
Business Acquisition [Line Items]
Unvested restricted shares outstanding (in shares)	49,967
Vesting period	2 years
Nonemployee | Stock Options
Business Acquisition [Line Items]
Weighted average price of shares (in dollars per share)	$ 4.92
Exercise period	1 year
Number of stock options outstanding (in shares)	107,845