Basis of Presentation and Summary of Significant Accounting Policies (Details)		9 Months Ended	12 Months Ended
	Apr. 10, 2020 USD ($)	Dec. 31, 2021	Mar. 31, 2023 USD ($) Customers $ / shares shares	Mar. 31, 2022 USD ($) Customers $ / shares shares	Feb. 14, 2020
Summary of Significant Accounting Policies (Details) [Line Items]
Revenue from related parties			$ 1,000,000.0
Gain loss on revenue recognized			0
Fair value of purchased content licenses			$ 1,000,000.0
Amortization estimated life			3 years
Amortization expense (in Dollars)			$ 85,000
Accounts receivable, allowance for credit loss, writeoff			2,800,000
Employee retention tax credit percentage		70.00%
Employee retention credit cash refund claim			2,500,000
Employee retention tax credit			2,475,000
Employee retention tax credit receivable			2,100,000
Provision for allowances related to advances			1,300,000	$ 1,200,000
Provision for allowances related to advance and amount due from producers			1,300,000	1,200,000
Property and equipment, gross			68,100,000	111,700,000
Property and equipment, accumulated depreciation			66,300,000	109,700,000
Goodwill impairment charge			0	0
Purchase price adjustments to goodwill			260,000
Initial investment	$ 28,200,000
Issuance of common stock value	$ 11,000,000.0
Increase in estimated earnout liability			80,000
Payment of earnout liability			238,000
Partially offset of accrued interest			83,000
Impairment of customer relationship			0	2,000,000.0
Impairment of intangible assets			$ 0	1,968,000
Payment period			10 years
Revenue recognized			$ 68,026,000	56,054,000
Incentive fees, percentage			2.50%
Deferred revenue, current			$ 226,000	$ 196,000
Revenue recognized previously included in deferred revenue			200,000
Accounts payable			$ 1,000,000.0
Number of customers | Customers			1	0
Concentration risk percentage			10.00%	10.00%
Tax benefit percentage			50.00%
Potentially dilutive common shares from outstanding stock options and warrants (in Shares) | shares				339,000
Accounts Payable [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Revenue recognized (in Dollars)			$ 9,100,000	$ 4,800,000
Digital Cinema System Sales [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Revenue recognized			2,600,000	9,600,000
Content & Entertainment [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Revenue recognized			$ 55,977,000	37,895,000
Concentration risk percentage			18.00%
Cinema Equipment [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Revenue recognized			$ 12,049,000	18,159,000
Concentration risk percentage			12.00%
Cinema Equipment [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Administrative Fee Percentage			5.00%
Stock Exchange of Hong Kong [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Increase (decrease) in fair value of equity method investment			$ (1,800,000)	$ 600,000
Common Class A [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Common stock shares, issued (in Shares) | shares			9,413,597	8,831,471
common stock, par value and per share (in Dollars per share) | $ / shares			$ 0.001	$ 0.001
Starrise [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Majority interest, percentage	15.00%				11.50%
Starrise [Member] | Stock Exchange of Hong Kong [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Fair value of equity method investment			$ 5,200,000	$ 7,000,000.0
CON TV, LLC [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Majority interest, percentage			85.00%
Profit interest percentage			11.00%
CDF2 Holdings [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Ownership percentage			100.00%