Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current Assets:
Cash and cash equivalents	$ 11,966	$ 19,552
Accounts receivable	23,891	7,722
Subscription receivable	0	3,596
Inventory	3,920	121
Prepaid expenses	2,592	2,254
Deposits	50	50
Total current assets	42,419	33,295
Crude oil and natural gas properties, using the successful efforts method of accounting:
Proved properties	602,833	367,372
Unproved properties	123,064	152,741
Accumulated depletion, depreciation and amortization	(61,066)	(17,477)
Total crude oil and natural gas properties, net	664,831	502,636
Other property and equipment, net	1,397	1,092
Other noncurrent assets	4,928	907
Total assets	713,575	537,930
Current liabilities:
Accounts payable - trade	12,347	7,581
Accrued liabilities	29,846	12,374
Derivatives	14,134	0
Advances from joint interest owners	13,463	969
Dividends and dividend equivalents payable	2,683	0
Other current liabilities	4,541	1,511
Total current liabilities	77,014	22,435
Noncurrent liabilities:
Long-term debt, net	93,102	0
Deferred income taxes	43,578	38,898
Derivatives	5,268	0
Asset retirement obligations	4,250	2,293
Other	455	78
Commitments and contingencies (Note 10)
Stockholders' equity:
Preferred stock, $0.0001 par value, 10,000,000 shares authorized, none issued and outstanding at September 30, 2021 and December 31, 2020	0	0
Common stock, $0.0001 par value, 600,000,000 shares authorized, 92,743,677 and 91,967,565 shares issued and outstanding at September 30, 2021 and December 31, 2020, respectively	9	9
Additional paid-in capital	591,360	581,426
Accumulated deficit	101,461	107,209
Total stockholders' equity	489,908	474,226
Total liabilities and stockholders' equity	$ 713,575	$ 537,930