SUPPLEMENTAL NON-CASH TRANSACTIONS

12 Months Ended

Dec. 31, 2019

Supplemental Cash Flow Elements [Abstract]

SUPPLEMENTAL NON-CASH TRANSACTIONS

NOTE 19 - SUPPLEMENTAL NON-CASH TRANSACTIONS

The following table presents the supplemental disclosure of cash flow information for the years ended December 31, 2019 and 2018: 

	Year Ended December 31,
	2019		2018
	(in thousands)
Non-cash investing and financing activities excluded from the statement of cash flows:
Issued shares of common stock and preferred stock upon extinguishment of debt and modification of Series C Preferred Stock and Series D Preferred Stock	$	141,787	$	64,504
Common stock issued for acquisition of oil and natural gas properties	—		24,778
Cashless exercise of warrants	—		359
Deferred revenue realized upon purchase option exercise	16,700		—
Right of use assets obtained in exchange for operating lease obligations	7,500		—
Change in capital expenditures for drilling costs in accrued liabilities	2,010		7,850
Accrued cumulative paid in kind dividends on preferred stock	25,397		10,687
Change in asset retirement obligations	546		1,495
Reduction of fair value for converted embedded derivatives	—		12,406
Transfer of warrant derivative instruments to equity	—		223