CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 68,899	$ 71,684
Restricted cash	6,421	0
Accounts receivable, net of allowance for doubtful accounts of $2,368 and $3,942 as of December 31, 2021 and 2020, respectively	66,676	70,350
Accounts receivable—affiliates	3,819	5,053
Inventory	1,982	1,496
Fair value of derivative assets	3,930	311
Customer acquisition costs, net	946	5,764
Customer relationships, net	8,523	12,077
Deposits	6,664	5,655
Renewable energy credit asset	14,691	20,666
Other current assets	14,129	11,818
Total current assets	196,680	204,874
Property and equipment, net	4,261	3,354
Fair value of derivative assets	340	0
Customer acquisition costs, net	453	306
Customer relationships, net	5,660	5,691
Deferred tax assets	23,915	27,960
Goodwill	120,343	120,343
Other assets	3,624	4,139
Total Assets	355,276	366,667
Current liabilities:
Accounts payable	43,285	27,322
Accounts payable—affiliates	491	826
Accrued liabilities	19,303	34,164
Renewable energy credit liability	13,548	19,549
Fair value of derivative liabilities	4,158	7,505
Other current liabilities	1,707	1,295
Total current liabilities	82,492	90,661
Long-term liabilities:
Fair value of derivative liabilities	36	227
Long-term portion of Senior Credit Facility	135,000	100,000
Other long-term liabilities	109	30
Total liabilities	217,637	190,918
Commitments and contingencies (Note 14)
Series A Preferred Stock, par value $0.01 per share, 20,000,000 shares authorized, 3,567,543 shares issued and 3,567,543 shares outstanding at December 31, 2021 and 3,707,256 shares issued and 3,567,543 outstanding at December 31, 2020	87,288	87,288
Stockholders' equity:
Additional paid-in capital	54,663	55,222
Accumulated other comprehensive (loss)/income	(40)	(40)
Retained earnings	776	11,721
Treasury stock, at cost, 144,594 at December 31, 2021 and December 31, 2020	(2,406)	(2,406)
Total stockholders' equity	53,352	64,854
Non-controlling interest in Spark HoldCo, LLC	(3,001)	23,607
Total equity	50,351	88,461
Total Liabilities, Series A Preferred Stock and stockholders' equity	355,276	366,667
Common Class A
Stockholders' equity:
Common stock	158	148
Common Class B
Stockholders' equity:
Common stock	$ 201	$ 209