Stockholder's Equity (Tables)

6 Months Ended

Jun. 30, 2018

Schedule of Balance of Stockholder's Equity

	Common Stock				Paid-in		Stock		Accumulated			Total Stockholders’			Non-controlling interest in consolidated			Total
	Shares		Amount		Capital		Payable		Deficit			Equity			Entities			Equity
Balance, December 31, 2017		4,889,745	$	489	$	23,223,435	$	-	$	(18,090,961	)	$	5,132,963		$	15,585		$	5,148,548
Issuance of common stock from warrant exercise for cash		285,028		29		1,542,182		-		-			1,542,211			-			1,542,211
Issuance of common stock for services by third parties		17,525		1		103,339		-		-			103,340			-			103,340
Issuance of common stock for services by employees		31,629		3		236,440		-		-			236,443			-			236,443
Issuance of detachable warrants on notes payable		-		-		351,548		-		-			351,548			-			351,548
Stock option exercises		1,848		-		9,689		-		-			9,689			-			9,689
Cash received for warrant exercises, not yet issued		-		-				298,522		-			-						298,522
Stock-based compensation		-		-		398,615		-		-			398,615			-			398,615
Net loss attributable to noncontrolling interests		-		-		-		-		-			-			(103	)		(103	)
Net loss attributable to common shareholders		-		-		-		-		(3,225,046	)		(3,225,046	)		-			(3,225,046	)
Balance, June 30, 2018		5,225,775	$	522	$	25,865,248	$	298,522	$	(21,316,007	)	$	4,848,285		$	15,481		$	4,863,766

Summary of Stock Option Activity

A summary of all stock option activity at and for the six months ended June 30, 2018 is presented below:

	# of Options			Weighted- Average Exercise Price
Outstanding at December 31, 2017		369,006		$	6.47
Options granted		485,000		$	4.60
Options exercised		(1,848	)		5.24
Options canceled		-
Outstanding at June 30, 2018		852,158		$	4.62
Exercisable at June 30, 2018		274,948		$	6.07

Schedule of Weighted-average Assumptions Used in Black-scholes Valuation Method

The following weighted-average assumptions were used in the Black-Scholes valuation model for options granted during the six months ended June 30, 2018:

Risk-free interest rate	2.44	%
Expected term (in years)	6.21
Dividend yield	-
Expected volatility	63	%

Warrant [Member]

Schedule of Weighted-average Assumptions Used in Black-scholes Valuation Method

The estimated fair value of the warrants at issuance was $1,776,646, based on a combination of closing market trading price on the date of issuance for the public offering warrants, and the Black-Scholes option-pricing model using the weighted-average assumptions below:

Volatility		31	%
Risk-free interest rate		2.587	%
Expected term (in years)		4.2
Expected dividend yield		-
Fair value of common stock	$	7.89

Summary of Warrant Activity

A summary of activity in warrants is as follows:

	Warrants			Weighted Average Remaining Life		Weighted Average Exercise Price		Aggregate Intrinsic Value
Outstanding at December 31, 2017		2,623,077			3.62 years	$	5.96	$	54,880
Six months ended June 30, 2018:
Granted		455,298			4.5 years	$	5.40	$	1,411,424
Exercised		(285,028	)		4.5 years	$	5.41		-
Forfeited and cancelled		-			-	$	-		-
Outstanding at June 30, 2018		2,793,347			3.50 years	$	5.92	$	7,196,481