CONSOLIDATED STATEMENTS OF STOCKHOLDERS' AND MEMBERS' EQUITY (DEFICIT) - USD ($)	Membership Equity [Member] Class A [Member]	Membership Equity [Member] Class B [Member]	Membership Equity [Member] Class C [Member]	Membership Equity [Member] Common [Member]	Common Stock [Member]	Preferred Stock [Member] Series A Preferred Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Total	Series A Preferred Stock [Member]
Balance at Dec. 31, 2019	$ 18,178,000	$ 1,400,000	$ 1,000,000	$ 107,000				$ (10,942,000)	$ 9,743,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Implementation of new accounting principle	0	0	0	0				92,000	92,000
Stock based compensation	0	0	0	91,000				0	91,000
Sale of members' equity	5,024,000	0	0	0				0	5,024,000
Net loss	0	0	0	0				(26,531,000)	(26,531,000)
Balance at Dec. 31, 2020	23,202,000	1,400,000	1,000,000	198,000	$ 0	$ 0	$ 0	(37,381,000)	(11,581,000)
Balance (in shares) at Dec. 31, 2020					0	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Brooklyn rights offerings membership units	10,500,000	0	0	0	$ 0	$ 0	0	0	10,500,000
Elimination of Brooklyn's historical members' equity	(33,702,000)	(1,400,000)	(1,000,000)	(198,000)	0	0	36,300,000	0	0
Common stock to be retained by NTN stockholders	0	0	0	0	$ 8,000	$ 0	8,170,000	0	8,178,000
Common stock to be retained by NTN stockholders (in shares)					1,514,000	0
Issuance of Series A preferred stock retained by NTN stockholders	0	0	0	0	$ 0	$ 1,000	(1,000)	0	0
Issuance of Series A preferred stock retained by NTN stockholders (in shares)					0	156,000
Issuance of common stock to Brooklyn members	0	0	0	0	$ 195,000	$ 0	(195,000)	0	0
Issuance of common stock to Brooklyn members (in shares)					38,924,000	0
Issuance of common stock to Financial Advisor upon consummation of merger	0	0	0	0	$ 5,000	$ 0	5,760,000	0	5,765,000
Issuance of common stock to Financial Advisor upon consummation of merger (in shares)					1,068,000	0
Issuance of common stock from the exercise of stock options	0	0	0	0	$ 0	$ 0	10,000	0	10,000
Issuance of common stock from the exercise of stock options (in shares)					1,000	0
Issuance of common stock related to stock purchase agreement with Lincoln Park Capital Fund, LLC, net	0	0	0	0	$ 17,000	$ 0	52,008,000	0	52,025,000
Issuance of common stock related to stock purchase agreement with Lincoln Park Capital Fund, LLC, net (in shares)					3,552,000	0
Issuance of common stock in connection with the acquisition of Novellus, Inc.	0	0	0	0	$ 35,000	$ 0	58,649,000	0	58,684,000
Issuance of common stock in connection with the acquisition of Novellus, Inc. (in shares)					7,022,000	0
Cash dividends to Series A preferred stockholders	0	0	0	0	$ 0	$ 0	0	(8,000)	(8,000)	$ (8,000)
Cash dividends to Series A preferred stockholders (in shares)					0	0				202
Issuance of common stock in lieu of cash dividend to Series A convertible preferred stockholders	0	0	0	0	$ 0	$ 0	8,000	(8,000)	0
Issuance of common stock in lieu of cash dividend to Series A convertible preferred stockholders (in shares)					0	0
Forfeiture of unvested restricted stock	0	0	0	0	$ 0	$ 0	0	0	0
Forfeiture of unvested restricted stock (in shares)					(60,000)	0
Stock based compensation	0	0	0	0	$ 0	$ 0	5,235,000	0	5,235,000
Net loss	0	0	0	0	0	0	0	(122,306,000)	(122,306,000)
Balance at Dec. 31, 2021	$ 0	$ 0	$ 0	$ 0	$ 260,000	$ 1,000	$ 165,944,000	$ (159,703,000)	$ 6,502,000
Balance (in shares) at Dec. 31, 2021					52,021,000	156,000