Share-based payments (Tables)

12 Months Ended

Dec. 31, 2018

Summary of financial statements related to equity-based payments

	Year ended December 31,
	2018			2017
Nonemployee common stock	$	--		$	139,529
Nonemployee preferred stock (Series B)		--			--
Nonemployee warrants - fully vested upon issuance		25,882			398,398
Nonemployee warrants - service and performance conditions		--			6,118
Employee common stock		--			188,000
Employee stock options - market price-based		--			--
Total share-based expense charged against income	$	25,882		$	732,045
Impact on net loss per common share:
Basic and diluted	$	(0.00	)	$	(0.01	)

Summary of fair value of common stock warrants

The following summarizes the Black-Scholes assumptions used to estimate the fair value of fully-vested common stock warrants:

	Year ended December 31,
	2018			2017
Volatility		143	%	144-155		%
Risk-free interest rate		2.6	%	1.2--2.2		%
Expected life (years)		5.0		2.4 -- 5.0
Dividend yield		--			--

Summary of common stock warrants performance and service conditions

The following summarizes the Black-Scholes assumptions used to estimate the fair value of warrants with performance and service conditions:

	Year ended December 31,
	2018		2017
Volatility		--	141--144		%
Risk-free interest rate		--	1.5--1.6		%
Expected life (years)				3.0
Dividend yield		--		--

Summary of Legal settlement - Replacement warrants

The following summarizes the Black-Scholes assumptions used to estimate the fair value of the previously-issued warrants and the replacement warrants:

	Previously-issued			Replacement
Volatility		206	%		151	%
Risk-free interest rate		0.5	%		1.3	%
Expected life (years)		0.2			3.2
Dividend yield		--			--

Service and performance conditions [Member]

Summary of common stock warrants performance and service conditions

In July 2014, Cool Technologies entered into a three year agreement with the Company managing the operations of UPT, whereby CoolTech would issue common stock warrants under the following conditions:

		Number of
Vesting Condition	Category	Warrants
Fully vest upon UPT generating $1 million of revenue	Performance		350,000
45,945 warrants for every $3 million of revenue generated by UPT up to $100 million	Performance		1,530,000
60,000 warrants for every three months of completed service managing UPT	Service		720,000
			2,600,000

UPT management agreement [Member]

Summary of common stock conditions

In July, 2014, Cool Technologies entered into a three year agreement with the Company managing the operations of UPT, whereby it would issue common stock under the following conditions:

Condition	Number of Shares
UPT recognizes $100 million of revenue or a change in control		500,000
UPT recognizes $100 million of revenue		150,000
		650,000

Nonemployee common stock warrants -- Fully-vested upon issuance [Member]

Summary of fair value of common stock warrants

Cool Technologies may issue fully-vested common stock warrants with a maximum contractual term of 5 years to non-employees in return for services or to satisfy liabilities, such as accrued interest. The following summarizes the activity for common stock warrants that were fully-vested upon issuance:

	Number of Warrants			Weighted-average Exercise Price		Weighted-average Remaining Life (Years)		Aggregate Intrinsic Value
Outstanding, December 31, 2016		10,866,071		$	0.49
Granted		5,550,000			0.08
Forfeited or expired		(3,470,235	)		0.59
Outstanding, December 31, 2017		12,945,836			0.29		2.3	$	46,000
Exercisable, December 31, 2017		12,945,836			0.29		2.3	$	46,000
Granted		500,000			0.05
Exercised		--			--
Forfeited or expired		--			--
Outstanding, December 31, 2018		13,445,836			0.27		1.4	$	78,000
Exercisable, December 31, 2018		13,445,836		$	0.27		1.4	$	78,000

Warrants [Member]

Summary of common stock warrants performance and service conditions

The following summarizes the activity for warrants that have performance and service conditions. There were no grants in 2018.

	Number of Warrants			Weighted-average Exercise Price		Weighted-average Remaining Life (Years)		Aggregate Intrinsic Value
Outstanding, December 31, 2016		3,400,000		$	0.84
Granted		--			--
Forfeited or expired		(120,000	)		1.00
Outstanding, December 31, 2017		3,280,000			0.83		0.3
Exercisable, December 31, 2017		1,280,000			0.56		0.7
Granted		--			--
Forfeited or expired		(2,120,000	)		1.00		0.0
Outstanding, December 31, 2018		1,160,000			0.52		0.4
Exercisable, December 31, 2018		1,160,000		$	0.52		0.4	$	--

Nonvested [Member]

Summary of common stock warrants performance and service conditions

The following summarizes of the status of the Company’s non-vested common stock warrants with performance and service conditions as of December 31, 2018, and changes during the year then ended:

	Number of			Weighted-average Grant Date
	Warrants			Fair Value
Non vested, December 31, 2016		2,000,000		$	0.99
Vested		(120,000	)		0.99
Non vested, December 31, 2017		1,880,000			0.99
Vested		--			--
Forfeited		(1,880,000	)		0.99
Non vested, December 31, 2018		--		$	--

Employee stock options Fully-vested upon grant [Member]

Summary of stock option and warrant activity

The following is a summary of fully-vested stock option activity with the resigning member’s stock options removed for 2016:

	Number of Shares		Weighted-average Exercise Price per Share		Weighted-average Remaining Contractual Term		Aggregate Intrinsic Value
Outstanding, December 31, 2016		4,000,000	$	2.00
Outstanding, December 31, 2017		4,000,000		2.00		--	$	--
Exercisable, December 31, 2017		4,000,000		2.00		--		--
Outstanding, December 31, 2018		4,000,000		2.00		--		--
Exercisable, December 31, 2018		4,000,000	$	2.00		--	$	--