Stockholders’ Deficit (Details)				1 Months Ended					3 Months Ended	9 Months Ended		12 Months Ended
	Dec. 04, 2020 USD ($) $ / shares shares	Sep. 01, 2020 USD ($) shares	Jun. 04, 2020 USD ($) shares	Jan. 31, 2021 shares	Nov. 19, 2020 USD ($) shares	Jul. 20, 2020 USD ($)	Oct. 31, 2013 $ / shares shares	Dec. 31, 2010 $ / shares shares	Sep. 30, 2019 USD ($) shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($)	Mar. 31, 2020 $ / shares shares	Feb. 02, 2021 $ / shares	Jan. 21, 2021 $ / shares	Jan. 14, 2021 shares	Oct. 23, 2020 shares	Jul. 16, 2020 USD ($)	Jul. 06, 2020 USD ($)	Apr. 10, 2020 shares	Dec. 04, 2019 shares	Aug. 31, 2017 shares
Stockholders’ Deficit (Details) [Line Items]
Issuance of common stock										28,405,840
Common stock, capital shares reserved for future issuance										29,855,081									29,855,081
Aggregate offering price (in Dollars) | $										$ 30,000,000							$ 75,000,000.0	$ 30,000,000
Common stock under the ATM sales agreement										28,405,840
Net proceeds (in Dollars) | $						$ 10,800,000				$ 18,600,000
Compensation expense (in Dollars) | $										800,000
Shares issued					452,499
Common stock In exchange (in Dollars) | $					$ 247,108
Common stock par value (in Dollars per share) | $ / shares	$ 0.001
Common stock principle amount (in Dollars) | $	$ 1,386,106								$ 5,850,000
Dividends preferred stock (in Dollars) | $										$ 100,000	$ 100,000
Treasury stock										1,313,836		1,313,836
Share-based Payment arrangement, option, exercise price range, shares outstanding										265,887
Ronald L. Chez [Member]
Stockholders’ Deficit (Details) [Line Items]
Proceeds from warrant exercises (in Dollars) | $			$ 301,000
Class A Common Stock [Member] | Ronald L. Chez [Member]
Stockholders’ Deficit (Details) [Line Items]
Number of securities called by warrants or rights			236,899
Cinedigm Equity Incentive Plan [Member]
Stockholders’ Deficit (Details) [Line Items]
Percent voting power threshold										10.00%
Exercise price if voting threshold is met, percent										110.00%
2017 Plan [Member] | Minimum [Member]
Stockholders’ Deficit (Details) [Line Items]
Common stock, shares authorized																4,098,270
2017 Plan [Member] | Maximum [Member]
Stockholders’ Deficit (Details) [Line Items]
Common stock, shares authorized																14,098,270
Subsequent Event [Member]
Stockholders’ Deficit (Details) [Line Items]
Shares issued															1,269,948
Common stock par value (in Dollars per share) | $ / shares													$ 0.001
Stock Dividends				171,933
Gaiam Americas, Inc. and Gaiam, Inc. GVE [Member]
Stockholders’ Deficit (Details) [Line Items]
Number of employees joining company following acquisition							10
Shares under option, granted							62,000
Weighted average exercise price per share, granted (in Dollars per share) | $ / shares							$ 17.50
Share-based compensation arrangement by share-based payment award, options, outstanding, number										12,500
Gaiam Americas, Inc. and Gaiam, Inc. GVE [Member] | Share-based Payment Arrangement, Option [Member]
Stockholders’ Deficit (Details) [Line Items]
Aware expiration period							10 years
Class A Common Stock [Member]
Stockholders’ Deficit (Details) [Line Items]
Shares issued as payment for services rendered										92,236,505
Issuance of common stock	2,776,284								3,900,000
Common stock, shares authorized										200,000,000		200,000,000				200,000,000
Common stock par value (in Dollars per share) | $ / shares										$ 0.001		$ 0.001
Common stock principle amount (in Dollars) | $									$ 4,000
Treasury stock										1,313,836		1,313,836
Class A Common Stock [Member] | Cinedigm Equity Incentive Plan [Member]
Stockholders’ Deficit (Details) [Line Items]
Number of shares authorized										2,380,000
Share-based Payment arrangement, option, exercise price range, shares outstanding										265,887		272,766
Share-based payment arrangement, option, exercise price range, outstanding, weighted average exercise price (in Dollars per share) | $ / shares										$ 15.02		$ 15.00
Options outstanding, weighted average remaining contractual term										2 years 4 months 9 days		3 years 1 month 9 days
Class A Common Stock [Member] | 2017 Plan [Member]
Stockholders’ Deficit (Details) [Line Items]
Number of shares authorized																				4,098,270	2,108,270
Class A Common Stock [Member] | Subsequent Event [Member]
Stockholders’ Deficit (Details) [Line Items]
Common stock par value (in Dollars per share) | $ / shares														$ 0.001
Class A Common Stock [Member] | Chief Executive Officer [Member] | Share-based Payment Arrangement, Option [Member]
Stockholders’ Deficit (Details) [Line Items]
Number of shares authorized								450,000
Class A Common Stock [Member] | Director [Member] | Strategic Investor Agreement [Member]
Stockholders’ Deficit (Details) [Line Items]
Compensation arrangement with individual, shares issued		80,000
Compensation expense (in Dollars) | $		$ 71,000
Class A Common Stock [Member] | Chief Executive Officer [Member]
Stockholders’ Deficit (Details) [Line Items]
Options exercise price range, lower (in Dollars per share) | $ / shares								$ 15.00
Options exercise price range, upper (in Dollars per share) | $ / shares								$ 50.00