Stockholder's Equity (Tables)

12 Months Ended

Dec. 31, 2018

Stockholders' Equity Note [Abstract]

Schedule of Assumptions Used in the Valuation

The assumptions used in the valuation of options granted under the 2017 Plan during the year ended December 31, 2018 and the five months ended December 31, 2017 are as follows:

	Year Ended 12/31/18		Five Months Ended 12/31/17
Market value of stock on measurement date	$14.31 to $24.84		$18.16 to $49.93
Risk-free interest rate	2.47 % to 3.05%		2.06 % to 2.47%
Dividend yield	—	%	—	%
Volatility factor	121% to 324%		324% to 329%
Term (years)	5.5 to 10.0		10.00

The assumptions used in the valuation for the Pre-2017 Non-Qualified Stock Options for the five months ended December 31, 2017 and for the year ended July 31, 2017 were as follows:

	December 31, 2017			July 31, 2017
Market value of stock on measurement date	$	36.79		$5.61 to 13.00
Risk-free interest rate	1.47		%	0.88-2.55%
Dividend yield	0		%	0	%
Volatility factor	96		%	76-348%
Term	2.12 years			2.28-10 years

Share-based Compensation, Stock Options, Activity

Stock option activity for the Pre-2017 Non-Qualified Stock Options for the year ended December 31, 2018, the five months ended December 31, 2017 and the year ended July 31, 2017 is presented in the table below: 

	Number of Shares		Weighted- average Exercise Price	Weighted- average Remaining Contractual Term (years)	Aggregate Intrinsic Value
Outstanding at July 31, 2016	4,635,000		8.79	7.39	$	2,731,250
Granted	320,000		9.38
Expired	(5,000	)	10.00
Forfeited	(1,180,000	)	11.03
Outstanding at July 31, 2017	3,770,000		8.13	6.87	$	19,139,625
Exercised	(217,500	)	10.22
Forfeited	(572,000	)	11.51
Outstanding at December 31, 2017	2,980,500		7.33	7.06	$	46,606,210
Exercised	(95,000	)	8.24
Forfeited	—		—
Outstanding at December 31, 2018	2,885,500		7.30	6.04	$	20,633,100
Exercisable at December 31, 2018	2,747,150		7.20	6.01	$	19,928,663

Stock option activity for options granted under the 2017 Plan during the year ended December 31, 2018 and the five months ended December 31, 2017 is presented in the table below:

	Number of Shares		Weighted- average Exercise Price		Weighted- average Remaining Contractual Term (years)	Aggregate Intrinsic Value
Outstanding at July 31, 2017	—
Total options authorized	400,000
Granted	(214,000	)	$	37.62
Expired	—
Forfeited	40,000		$	49.93
Outstanding at December 31, 2017	174,000		$	34.78	9.71	$	14,430
Exercisable at December 31, 2017	—
Annual additional options authorized	101,431
Granted	(196,550	)	$	23.26
Expired	—
Forfeited	27,000		$	24.84
Options available at December 31, 2018	157,881
Outstanding at December 31, 2018	343,550		$	28.97	8.95	$	840

Schedule of Nonvested Share Activity

A summary of the status of the Company’s non-vested options granted under the 2017 Plan as of December 31, 2018 and changes during the year ended December 31, 2018 and the five months ended December 31, 2017 are presented in the following table:

	Number of Shares		Weighted Average Grant Date Fair Value Per Share
Non-vested at July 31, 2017 and 2016	—
Granted	214,000		$	37.62
Forfeited	(40,000	)	$	49.93
Non-vested at December 31, 2017	174,000		$	34.78
Granted	196,550		$	23.26
Forfeited	(27,000	)	$	24.84
Non-vested at December 31, 2018	288,047		$	27.62
Vested at December 31, 2018	55,503		$	34.66

A summary of the status of the Company's non-vested Pre-2017 Non-Qualified Stock Options as of December 31, 2018 and changes during the year ended December 31, 2018, the five months ended December 31, 2017 and the year ended July 31, 2017 are presented below:

Non-vested options	Number of Options		Weighted Average Grant Date Fair Value
Non-vested at July 31, 2016	90,833		$	7.27
Granted	320,000		7.70
Vested	(70,962	)	6.70
Non-vested at July 31, 2017	339,871		$	7.93
Vested	(50,969	)	9.29
Non-vested at December 31, 2017	288,902		$	7.87
Vested	(150,552	)	7.92
Non-vested at December 31, 2018	138,350		$	7.84

Share-based Compensation, Warrant Activity

Warrant activity for the year ended December 31, 2018, the five months ended December 31, 2017 and the year ended July 31, 2017 is presented in the table below:

	Number of Warrants		Weighted- average Exercise Price		Weighted- average Remaining Contractual Term (years)	Aggregate Intrinsic Value
Outstanding at July 31, 2016	1,215,385		$	17.90	2.86	$	—
Granted	45,000		10.00
Expired	(166,585	)	$	46.37
Forfeited	(325,000	)	15
Outstanding at July 31, 2017	768,800		$	12.50	3.04	$	1,184,000
Exercised	(356,790	)	14.83
Forfeited	(55,000	)	$	15.00
Outstanding at December 31, 2017	357,010		$	9.78	5.57	$	4,708,020
Exercised	(3,400	)	$	10.00
Outstanding at December 31, 2018	353,610		$	9.78	4.60	$	1,651,165