Share-Based Payments (Tables)

6 Months Ended

Jun. 30, 2017

Compensation and Retirement Disclosure [Abstract]

Schedule of share-based payments expense

	Three Months Ended				Six Months Ended
	June 30,		June 30,		June 30,		June 30,
	2017		2016		2017		2016
Employees and directors share-based payments	$	76,224	$	73,000	$	147,652	$	212,000

Schedule of stock option activity

						Weighted Average
						Remaining		Aggregated
	Options			Weighted Average		Contractual Life		Intrinsic
	Outstanding			Exercise Price		(Years)		Value
Outstanding at January 1, 2017		2,101,425		$	2.42		4.59	$	-
Granted		170,000			1.57
Exercised		(11,035	)		2.00
Expired		-			-
Forfeited		(260,862	)		1.49
Outstanding at June 30, 2017		1,999,528			2.62		3.14		0.04
Vested and expected to vest as of June 30, 2017		1,999,528			2.62		3.14		0.04
Options exercisable at June 30, 2017 (vested)		1,683,238			2.80		2.00		0.02

Schedule of warrants outstanding and exercisable

	June 30,		December 31,
	2017		2016
	Number of		Number of
	Warrants		Warrants
Warrants Outstanding	Outstanding and Exercisable		Outstanding and Exercisable		Exercise Price		Expiration Date
2012 August Financing Warrants  (i)		428,716		536,250	$	1.50	08/30/17
2013 Broker Warrants (Series D Financing)		100,000		228,571		1.75	07/05/18
2013 Broker Warrants (Convertible Note)		114,285		114,285		1.75	11/04/18
2014 Broker Warrants (Series E Financing)		1,085,714		1,085,714		1.75	01/31/19
2016 Warrants to SSS (Note 12)		1,818,182		1,818,182	$	2.75	03/28/18
		3,546,897		3,783,002

(i) The warrants are classified as derivative liabilities as disclosed in Note 13.

Schedule of summary of the restricted shares

	Shares			Weighted-average fair value
Restricted shares outstanding at January 1, 2017		228,550		$	1.75
Granted		400,000			2.05
Forfeited		(60,000	)		1.49
Vested		(105,215	)		1.72
Restricted shares outstanding at June 30, 2017		463,335		$	2.05