Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 128	$ 305
Accounts receivable:
Revenue	1,240	1,082
Joint interest billings and other	609	778
Commodity derivative asset		408
Prepaid expense, deposits and other current assets	185	213
Total current assets	2,162	2,786
Oil and gas properties, full cost method of accounting:
Proved, net	19,836	25,032
Unproved	3,140	3,194
Other property and equipment, net	167	238
Total property and equipment, net	23,143	28,464
Investments in affiliates (note 5)	741	1,025
Other long-term assets	185	433
Total assets	26,231	32,708
Current liabilities:
Accounts payable and accrued liabilities	6,043	5,621
Firm transportation contract obligations (note 12)	421	436
Commodity derivative liability	264
Notes payable (note 6)	4,007
Total current liabilities	10,735	6,057
Non-current liabilities:
Asset retirement obligations (note 3)	3,205	3,095
Firm transportation contract obligations (note 12)	103	416
Notes payable (note 6)		3,500
Total non-current liabilities	3,308	7,011
Commitments (note 12)
Stockholders' equity:
Preferred stock, $0.01 par value; authorized 1,000,000 shares, no shares issued and outstanding at September 30, 2016 and December 31, 2015
Common stock, $0.01 par value; authorized 200,000,000 shares, 110,638,849 and 107,655,916 shares issued and outstanding at September 30, 2016 and December 31, 2015, respectively	1,107	1,077
Additional paid-in capital	56,401	54,394
Accumulated deficit	(47,174)	(38,130)
Total Carbon stockholders' equity	10,334	17,341
Non-controlling interests	1,854	2,299
Total stockholders' equity	12,188	19,640
Total liabilities and stockholders' equity	$ 26,231	$ 32,708