Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 164,894	$ 87,426
Marketable securities	285,605	211,941
Trade accounts receivable, net of allowance for credit losses of $11,217 and $1,898 as of December 31, 2021 and 2020, respectively	138,912	183,857
Other current assets	22,549	40,392
Total current assets	611,960	523,616
Marketable securities, long-term	485,047	132,502
Redeemable preferred stock investment	21,965
Fixed assets, net	62,287	40,199
Intangible assets, net	35,914
Goodwill	50,897
Other long-term assets	10,650	4,144
Total assets	1,278,720	700,461
Current liabilities
Accounts payable	20,494	26,488
Accrued liabilities	17,689	8,446
Income tax payable	787	53,319
Contract liabilities	14,570	26,576
Customer deposit	19,806	185
Investment margin loan	15,137	15,019
Contingent consideration	10,000
Notes payable	6,147
Other current liabilities	680	82
Total current liabilities	105,310	130,115
Unrecognized tax benefits	725	377
Other long-term liabilities	6,805	582
Total liabilities	112,840	131,074
Commitments and contingencies (Note 8)
Stockholders’ equity
Common stock, $0.0001 par value per share, 50,000 shares authorized, 30,160 and 28,178 shares issued and outstanding at December 31, 2021 and 2020, respectively	3	3
Preferred stock, $0.0001 par value per share, 1,000 shares authorized, no shares issued or outstanding at December 31, 2021 and 2020
Additional paid-in capital	501,908	418,065
Accumulated other comprehensive (loss) income	(759)	438
Retained earnings	657,597	150,881
Total Fulgent stockholders' equity	1,158,749	569,387
Noncontrolling interest	7,131
Total stockholders’ equity	1,165,880	569,387
Total liabilities and stockholders’ equity	$ 1,278,720	$ 700,461