Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Narrative (Details)

v3.23.1
Summary of Significant Accounting Policies - Narrative (Details)
 3 Months Ended 12 Months Ended
Mar. 31, 2023
USD ($)
segment
reportingUnit
account
Mar. 31, 2022
Dec. 31, 2022
USD ($)
account
Product Information [Line Items]      
Number of operating segments | segment 2    
Cash and cash equivalents $ 4,765,000   $ 7,432,000
Accounts receivable, allowance for doubtful accounts 70,977   65,421
Tax credits receivable, net, current 23,523,000   26,255,000
Tax credits receivable, allowance for tax credits receivable 300,000   200,000
Debt securities, available-for-sale, accrued interest $ 400,000   $ 300,000
Number of reporting units | reportingUnit 2    
Cash, number of accounts with uninsured balance | account 11   12
Cash, uninsured amount $ 3,200,000   $ 3,400,000
Marketable securities 69,650,000   $ 83,706,000
Cash balance $ 0    
Revenue Benchmark | Customer Concentration Risk | Three Customers      
Product Information [Line Items]      
Concentration risk, percentage 71.90%    
Revenue Benchmark | Customer Concentration Risk | One Customer      
Product Information [Line Items]      
Concentration risk, percentage   13.30%  
Accounts Receivable | Customer Concentration Risk | Five Customers      
Product Information [Line Items]      
Concentration risk, percentage 69.00%    
Accounts Receivable | Customer Concentration Risk | Two Customers      
Product Information [Line Items]      
Concentration risk, percentage     26.10%
Minimum      
Product Information [Line Items]      
Tax credits receivable, recognition period 18 months    
Property, plant and equipment, term 2 years    
Maximum      
Product Information [Line Items]      
Tax credits receivable, recognition period 24 months    
Property, plant and equipment, term 7 years    
Animated productions | Minimum      
Product Information [Line Items]      
Operating cycle 12 months    
Animated productions | Maximum      
Product Information [Line Items]      
Operating cycle 24 months    
Merchandising and licensing | Minimum      
Product Information [Line Items]      
Revenue from contract with customer, payable terms 30 days    
Merchandising and licensing | Maximum      
Product Information [Line Items]      
Revenue from contract with customer, payable terms 45 days    
FX Forwards      
Product Information [Line Items]      
Derivative asset $ 14,900,000    
Derivative liability 15,000,000    
Unrealized loss on derivatives 100,000    
FX Forwards | Other Current Liabilities      
Product Information [Line Items]      
Derivative liabilities, net $ 100,000    
Stan Lee Universe      
Product Information [Line Items]      
Noncontrolling interest in variable interest entity 50.00%