FAIR VALUE MEASUREMENTS. (Tables)

6 Months Ended

Jun. 30, 2020

Fair Value Disclosures [Abstract]

Schedule of used and related fair value for the warrants

Original Issuance	Exercise Price		Volatility			Risk Free Interest Rate			Term (years)		Warrants Outstanding		Fair Value
12/22/19	$	1.00		122.0	%		0.16	%		2.50		5,500,000	$	1,618,100

Significant assumptions used and related fair value for the warrants as of December 31, 2019 were as follows:

Original Issuance	Exercise Price		Volatility			Risk Free Interest Rate			Term (years)		Warrants Outstanding		Fair Value
12/22/19	$	1.00		76.0	%		1.66	%		3.00		5,500,000	$	977,000

Schedule of recurring and nonrecurring fair value measurements

	Fair
	Value			Level 1		Level 2		Level 3
Liabilities:
Warrants	$	(1,618	)	$	—	$	—	$	(1,618	)
	$	(1,618	)	$	—	$	—	$	(1,618	)

												Benefit Plan
	Fair											Percentage
	Value			Level 1			Level 2		Level 3			Allocation
Assets:
Derivative financial instruments	$	2,438		$	2,438		$	—	$	—
Long-lived assets held-for-sale		70,400			—			—		70,400
Defined benefit plan assets(1)
(pooled separate accounts):
Large U.S. Equity(2)		4,654			—			4,654		—			30	%
Small/Mid U.S. Equity(3)		2,348			—			2,348		—			15	%
International Equity(4)		2,596			—			2,596		—			17	%
Fixed Income(5)		6,056			—			6,056		—			38	%
	$	88,492		$	2,438		$	15,654	$	70,400
Liabilities:
Derivative financial instruments	$	(1,860	)	$	(1,860	)	$	—	$	—
Warrants		(977	)		—			—		(977	)
	$	(2,837	)	$	(1,860	)	$	—	$	(977	)

(1) Included in derivative instruments in the consolidated balance sheets.

(2) This category includes investments in funds comprised of equity securities of large U.S. companies. The funds are valued using the net asset value method in which an average of the market prices for the underlying investments is used to value the fund.

(3) This category includes investments in funds comprised of equity securities of small- and medium-sized U.S. companies. The funds are valued using the net asset value method in which an average of the market prices for the underlying investments is used to value the fund.

(4) This category includes investments in funds comprised of equity securities of foreign companies including emerging markets. The funds are valued using the net asset value method in which an average of the market prices for the underlying investments is used to value the fund.

(5) This category includes investments in funds comprised of U.S. and foreign investment-grade fixed income securities, high-yield fixed income securities that are rated below investment-grade, U.S. treasury securities, mortgage-backed securities, and other asset-backed securities. The funds are valued using the net asset value method in which an average of the market prices for the underlying investments is used to value the fund.