SHAREHOLDERS' EQUITY | SHAREHOLDERS’ EQUITY a. Share option plans: As of March 31, 2016 and December 31, 2015 the Company had reserved 881,856 a nd 420,469 shares of ordinary shares, respectively, available for issuance to employees, directors, officers and non-employees of the Company under the 2014 Incentive Compensation Plan (the “ 2014 Plan”). The options generally vest over four years. Any option that is forfeited or canceled before expiration becomes available for future grants under the 2014 Plan. The fair value for options granted during the three month period ended March 31, 2016 and March 31, 2015 is estimated at the date of the grant using a Black-Scholes-Merton option pricing model with the following assumptions: Three Months Ended March 31, 2016 2015 Expected volatility 60% 60% Risk-free rate 1.43%-1.60% 1.60%-1.77% Dividend yield —% —% Expected term (in years) 5.31-6.11 6.11 Share price $8.48 - $11.88 $19.61- $20.97 A summary of employee share options and restricted stock units ("RSUs") activity during the three month period ended March 31, 2016 is as follows: Three Months Ended March 31, Number Average exercise price Average remaining contractual life (years) (1) Aggregate intrinsic value (in thousands) Options and RSUs outstanding at the beginning of the period 1,853,369 $ 6.12 8.37 $ 17,048 Options granted 47,171 10.63 Options exercised (2) (96,767 ) 1.27 RSUs vested (2) (14,670 ) — RSUs forfeited (44 ) — Options forfeited (4,848 ) 10.68 Options and RSUs outstanding at the end of the period 1,784,211 $ 6.54 8.25 $ 8,056 Options and RSUs vested and expected to vest 1,735,646 $ 6.51 8.21 $ 7,924 Options exercisable at the end of the period 644,935 $ 3.80 6.96 $ 4,521 (1) Calculation of weighted average remaining contractual term does not include the RSUs that were granted, which have an indefinite contractual term. (2) During the three month period ended on March 31, 2016, the aggregate number of ordinary shares that were issued pursuant to RSUs that became vested and options that were exercised on a net basis was 99,462 ordinary shares The weighted average grant date fair values of options granted during the three-month period ended March 31, 2016 , and March 31, 2015 were $5.88 , and $11.19 , respectively. The Company did not grant RSUs during the three month period ended March 31, 2016 , The weighted average grant date fair values of RSUs granted during the three-month period ended March 31, 2015 was $ 20.97 . The aggregate intrinsic value in the table above represents the total intrinsic value that would have been received by the option holders had all option holders, that hold options with positive intrinsic value, exercised their options on the last date of the exercise period. Total intrinsic value of options exercised for each of the three-month periods ended March 31, 2016 and March 31, 2015 were $786 thousand and $ 1,340 thousand respectively. As of March 31, 2016 , there were $7,408 thousand of total unrecognized compensation cost related to non-vested share-based compensation arrangements granted under the Company's 2012 Equity Incentive Plan, and its 2014 Plan. This cost is expected to be recognized over a period of approximately 2.7 years. The options and RSUs outstanding as of March 31, 2016 have been separated into ranges of exercise price as follows: Range of exercise price Options and RSUs Outstanding as of March 31, 2016 Weighted average remaining contractual life (years) (1) Options exercisable as of March 31, 2016 Weighted average remaining contractual life (years) (1) — (consist of RSUs only) 73,547 — — — $0.82 34,377 4.79 34,377 4.79 $1.32 345,188 6.20 320,474 6.17 $1.48 409,576 7.78 204,369 7.78 $7.30- $8.99 624,503 9.58 4,875 9.59 $10.98- $11.88 36,146 9.86 — 0 $19.62-$20.97 260,874 8.73 80,840 8.73 1,784,211 8.25 644,935 6.96 (1) Calculation of weighted average remaining contractual term does not include the RSUs that were granted, which have an indefinite contractual term. b. Options issued to non-employee consultant: The Company’s outstanding options granted to non-employee consultant as of March 31, 2016 were as follows: Issuance date Options for shares of ordinary share Exercise price per share Options exercisable Exercisable through (number) (number) March 12, 2007 3,454 $ — 3,454 March 12, 2017 c. Warrants to purchase ordinary shares: During the three month period ended on March 31, 2016 a total of 138,702 warrants were exercised on a cashless basis into 45,116 ordinary shares. The following table summarizes information about warrants outstanding and exercisable as of March 31, 2016 : Issuance date Warrants outstanding Exercise Warrants Contractual term (number) (number) July 14, 2014 403,804 $ 10.08 403,804 July 13, 2018 December 30, 2015 119,295 $ 9.64 119,295 The earlier of (i) December 30, 2025, or (ii) a merger, consolidation, or reorganization of the Company. 523,099 523,099 d. Share-based compensation expense for employees and non-employees: The Company recognized non-cash share-based compensation expense in the consolidated statements of operations as follows (in thousands): Three Months Ended 2016 2015 Cost of revenues $ 22 $ 15 Research and development, net 113 101 Sales and marketing, net 174 133 General and administrative 408 337 Total $ 717 $ 586 |