Fuzhou Note Receivable	9 Months Ended
	Sep. 30, 2021
Receivables [Abstract]
Fuzhou Note Receivable	Fuzhou Note ReceivableIn May 2020, Energy Sales provided a note receivable to Fuzhou Zhengtong Hongxin Investment Management Company Limited (“Zhengtong”) in the amount of 3.0 million RMB ($0.4 million). The note receivable was not collateralized. Zhengtong agreed to repay 3.3 million RMB ($0.5 million) within three months of the disbursement date. The Company had recorded a reserve of $0.5 million against this note receivable in the three months ended December 31, 2020, and subsequently commenced legal action in order to recover the amounts due. In September 2021, Zhengtong, Beijing Seven Stars Global Culture Development Inc.(“BSSGCD”), an affiliate of Bruno Wu, and the Company reached an assignment agreement pursuant to which BSSGCD accepted from Zhengtong all the rights and claims arising from this note receivable. The Company received the payment in full of 3.3 million RMB ($0.5 million) from BSSGCD subsequently and recorded this recovery in Selling, general and administrative expenses.