Common Stock (Details) - USD ($) $ / shares in Units, $ in Thousands									3 Months Ended								12 Months Ended
	Apr. 30, 2021	Apr. 23, 2021	Apr. 09, 2021	Feb. 16, 2021	Feb. 12, 2021	Jan. 24, 2021	Nov. 25, 2020	Aug. 19, 2020	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares issued for extinguishment of debt (in shares)										877,192		893,921			3,889,990	1,896,557
Common shares issued for extinguishment of debt																	$ 2,500	$ 9,936
Common shares issued (in shares)													5,000,000
Common shares issued																	$ 4,551
Extinguishment of debt, amount															$ 200
Proceeds from issuance or sale of equity													$ 9,200
Common shares issued for cashless stock options exercised											414	4,977					20,694	0
Stock issued during the period, restricted stock award (in shares)											4,672,988
Stock withheld for employee tax obligation (in shares)											921,838
Common stock, par value (in usd per share)									$ 0.001		$ 0.001		$ 0.001				$ 0.001	$ 0.001
Shares cancelled for forfeited unvested shares of restricted stock (in shares)									152,796	337,500
Additional Paid-in Capital
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares issued for extinguishment of debt										$ 1,000		$ 1,500			$ 4,600	$ 4,200	$ 2,498	$ 9,929
Common shares issued																	$ 4,551
Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares issued for extinguishment of debt (in shares)																	1,771,113	6,863,223
Common shares issued for extinguishment of debt																	$ 2	$ 7
Extinguishment of liability (in shares)															183,486
Common shares issued for cashless stock options exercised																	5,391
Issuance of shares from acquisition (in shares)																		480,000
Stock issued during the period, restricted stock award (in shares)																	4,672,988
Shares converted to common stock (in shares)									7,600,000	7,600,000							7,600,000
Shares cancelled for forfeited unvested shares of restricted stock (in shares)																	490,296
Series 7 Preferred Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares converted to common stock (in shares)									9,500	9,500
Visualix Asset Purchase Agreement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of shares from acquisition (in shares)											369,563
Shares issued in asset acquisition		$ 429									$ 400
Ten Degrees Acquisition
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of shares from acquisition (in shares)								480,000,000
Shares issued in asset acquisition								$ 600
Game Your Game
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity interest issued (in shares)			1,179,077								1,179,077
Equity interest issued			$ 1,403								$ 1,400
Game Your Game | Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of shares from acquisition (in shares)																	1,179,077
CXApp
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity interest issued (in shares)	8,849,538										8,849,538
Equity interest issued	$ 10,000										$ 10,000
CXApp | Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of shares from acquisition (in shares)																	8,849,538
2020 Pre-Funded Warrant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares issued (in shares)												31,505,088	3,000,000
Proceeds from issuance or sale of equity												$ 3,700	$ 3
Stock Exchange Agreement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares issued for extinguishment of debt (in shares)																		1,076,676
Dollar value of note exchanged for common shares																		$ 1,200
Registered Direct Offering
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares issued (in shares)				3,000,000	7,000,000	5,800,000	5,000,000					15,800,000
Common shares issued												$ 74,100					$ 74,073	9,205
Registered Direct Offering | Additional Paid-in Capital
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares issued																	$ 74,058	$ 9,200
Registered Direct Offering | Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares issued (in shares)																	15,800,000	5,000,000
Common shares issued																	$ 15	$ 5
Registered Direct Offering | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share price (in usd per share)												$ 1.55
Registered Direct Offering | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share price (in usd per share)												$ 2.01
ATM
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares issued (in shares)													1,842,472	1,604,312	29,033,036	937,010
Common shares issued													$ 2,100	$ 2,300	$ 40,520
ATM | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share price (in usd per share)													$ 1.0706	$ 1.5064	$ 1.13	$ 1.23		$ 1.0706
ATM | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share price (in usd per share)													$ 1.1793	$ 1.5134	$ 2.02	$ 2.11		$ 1.1793