Redeemable Convertible Preferred Stock and Stockholders' Deficit (Tables)

3 Months Ended

Mar. 31, 2018

Stockholders' Equity Note [Abstract]

Schedule of key underlying assumptions

The following are the key underlying assumptions that were used:

	December 31, 2017		January 24, 2018		March 31, 2018
Dividend yield (%)		0		0		0
Expected volatility (%)		36.9		37.9		39.4
Risk free interest rate (%)		1.74		1.75		1.99
Strike price		1.00		1.00		1.00
Series B Preferred Stock price		1.13		1.10		1.18
Probability of if-converted scenario (%)		90		90		90
Probability assumed liquidation scenario (%)		10		10		10
Expected term of Option (years)		1.0		0.9		0.8
Option’s fair value	$	0.33	$	0.30	$	0.35

Schedule of reflects the components of the Option to purchase Redeemable Convertible B Preferred Stock

The following tabular presentation reflects the activity in the Option to purchase Redeemable Convertible B Preferred Stock during the three months ended March 31, 2018 -

	Fair value of Option to purchase Redeemable Convertible B Preferred Stock
	Unaudited
Opening balance, December 31, 2017	$	4,390
Partial exercise of series B redeemable convertible preferred stock written call option		(677	)
Revaluation of option to purchase redeemable convertible B preferred stock		273
Closing balance, March 31, 2018	$	3,986

Schedule of mezzanine financing

Activity in the account redeemable convertible preferred stock Series B for the three months ended March 31, 2018, is outlined in the below table -

	March 31, 2018
	Unaudited
Opening balance, December 31, 2017	$	87
Proceeds from issuance of Series B Shares		2,225
Accretion of Series B Preferred Stock to redemption value		1,968
Partial exercise of Series B Preferred Stock written call option		677
Dividend on Series B Preferred Stock		79
Closing balance, March 31, 2018	$	5,036

Schedule of stock options

A summary of stock option transactions under these plans during the three months ended March 31, 2018 are as follows:

	Number of Stock Options		Weighted Average Exercise Price		Weighted Average Remaining Term (in years)		Aggregate Intrinsic Value (*)
Outstanding at January 1, 2018		79,890	$	94.51		4.1	$	—
Granted/vested		147,088	$	0.98		9.8	$	—
Exercised		—		—		—		—
Expired/cancelled		—		—		—		—
Outstanding at March 31, 2018		226,978	$	33.90		7.8	$	—
Exercisable at March 31, 2018		79,890	$	94.51		4.1	$	—

(*) The aggregate intrinsic value represents the total intrinsic value (the difference between the deemed fair value of the Company’s Ordinary Shares on the last day of first quarter of 2018 and the exercise price, multiplied by the number of in-the-money options) that would have been received by the option holders had all option holders exercised their options on March 31, 2018. This amount is impacted by the changes in the fair value of the Company’s shares.

Schedule of nonvested restricted stock

A summary of non-vested restricted stock during the three months ended March 31, 2018 are as follows:

	Shares of Restricted Stock			Weighted Average Grant-Date Fair Value
Non-vested at January 1, 2018		11,500		$	9.02
Granted
Forfeited/cancelled		(9,250	)		8.97
Non-vested at March 31, 2018		2,250		$	9.25