Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands		Jun. 30, 2020		Dec. 31, 2019
Current assets:
Cash and cash equivalents		$ 173,718		$ 71,173
Restricted cash and cash equivalents (primarily related to VIEs)		76,116		81,937
Receivables:
Trade less allowance for credit losses of $779 and $0, respectively (primarily related to VIEs)		179,757		154,525
Other		18,121		22,048
Inventories		38,932		34,949
Costs and estimated earnings in excess of billings on uncompleted contracts	[1]	19,477		38,365
Prepaid expenses and other		10,948		12,667
Total current assets		517,069		415,664
Investment in unconsolidated companies		84,414		81,140
Deposits and other		37,278		38,284
Deferred income taxes		116,758		129,510
Property, plant and equipment, net		2,038,038		1,971,415
Construction-in-process		394,123		376,555
Operating leases right of use		17,638		17,405
Finance leases right of use		13,280		14,161
Intangible assets, net		179,659		186,220
Goodwill		20,120		20,140
Total assets		3,418,377	[2],[3]	3,250,494
Current liabilities:
Accounts payable and accrued expenses		149,591		141,857
Short term revolving credit lines with banks (full recourse)		100,057		40,550
Commercial paper		3,775		50,000
Billings in excess of costs and estimated earnings on uncompleted contracts		5,599		2,755
Current portion of long-term debt:
Senior secured notes		28,544		24,473
Other loans		34,341		34,458
Full recourse		76,572		76,572
Operating lease liabilities		3,016		2,743
Finance lease liabilities		3,151		3,068
Total current liabilities		404,646		376,476
Long-term debt, net of current portion:
Senior secured notes (less deferred financing costs of $5,802 and $6,317, respectively)		325,714		339,336
Other loans (less deferred financing costs of $9,514 and $10,482, respectively)		301,318		317,395
Senior unsecured bonds (less deferred financing costs of $929 and $675, respectively)		415,751		286,453
Other loans (less deferred financing costs of $1,430 and $1,519, respectively)		64,150		68,747
Operating lease liabilities		14,201		14,008
Finance lease liabilities		10,523		11,209
Liability associated with sale of tax benefits		118,072		123,468
Deferred income taxes		104,013		97,126
Liability for unrecognized tax benefits		15,309		14,643
Liabilities for severance pay		18,835		18,751
Asset retirement obligation		51,414		50,183
Other long-term liabilities		7,814		8,039
Total liabilities		1,851,760		1,725,834
Redeemable noncontrolling interest		9,806		9,250
Equity:
Common stock, par value $0.001 per share; 200,000,000 shares authorized; 51,067,163 and 51,031,652 issued and outstanding as of June 30, 2020 and December 31, 2019, respectively		51		51
Additional paid-in capital		917,403		913,150
Retained earnings		524,864		487,873
Accumulated other comprehensive income (loss)		(13,921)		(8,654)
Total stockholders' equity attributable to Company's stockholders		1,428,397		1,392,420
Noncontrolling interest		128,414		122,990
Total equity		1,556,811		1,515,410
Total liabilities, redeemable noncontrolling interest and equity		$ 3,418,377		$ 3,250,494

[1] Contract assets and contract liabilities are presented as "Costs and estimated earnings in excess of billings on uncompleted contracts" and "Billings in excess of costs and estimated earnings on uncompleted contracts", respectively, on the consolidated balance sheets. The contract liabilities balance at the beginning of the year was fully recognized as product revenues during the six months ended June 30, 2020 as a result of performance obligations satisfied.

[2] * Including unconsolidated investments 84,414 - - 84,414

[3] Electricity segment assets include goodwill in the amount of $20.1 million and $20.2 million as of June 30, 2020 and 2019, respectively. No goodwill is included in the Product and ESMS segment assets as of June 30, 2020 and 2019.