CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets:
Cash	$ 18,636	$ 12,568
Accounts receivable	17,999	601
Inventories	24	18
Prepaid expenses and other	798	1,557
Income taxes receivable		24
Assets held for sale		5,844
Total current assets	37,457	20,612
Property and equipment, net	70,038	63,075
Right of use asset	182	112
Deferred income taxes	1,208	2,425
Other assets	1,474	1,322
Total assets	110,359	87,546
Current liabilities:
Accounts payable	2,493	570
Accrued liabilities	6,418	3,463
Income taxes payable	4,115
Contract liabilities	857	1,395
Non-refundable deposit		500
Total current liabilities	13,883	5,928
Liability for pension benefits	621	871
Lease liability	85	33
Provision for contingent obligation	2,684	3,218
Deferred income taxes	8,874	8,469
Total liabilities	26,147	18,519
Commitments and contingencies (see Notes to the Consolidated Financial Statements)
Stockholders' equity:
Preferred stock, $0.10 par value; 1,000,000 shares authorized; shares issued and outstanding: none
Additional paid-in capital	101,258	101,207
Accumulated deficit	(16,947)	(32,032)
Accumulated other comprehensive loss	(3,743)	(3,785)
Total stockholders' equity	84,212	69,027
Total liabilities and stockholders' equity	110,359	87,546
Common Stock | Common Stock
Stockholders' equity:
Common stock	1,793	1,786
Common Stock | Common Class A
Stockholders' equity:
Common stock	1,851	1,851
Total stockholders' equity	$ 1,851	$ 1,851