10. Net Income Per Share

Basic net income per share is computed on the basis of the weighted-average number of common shares outstanding during the period. Diluted net income per share is computed based upon the weighted-average number of common shares outstanding during the period plus the assumed issuance of common shares for all potentially dilutive securities.

The net income used in the calculation of basic and diluted net income per share is as follows:

In calculating the net income per share, basic and diluted, the following weighted-average shares were used:


	Three months ended March 31,
	2021	2020
Basic weighted-average number of shares outstanding	23,947,222	26,565,084
Unvested time-based restricted shares	29,034	—
Unvested performance-based restricted shares	53,848	—
Basic and diluted weighted average shares outstanding	24,030,104	26,565,084

The Company excluded the following shares from the diluted EPS because their inclusion would have been anti-dilutive.


	Three months ended March 31,
	2021	2020
Anti-dilutive options	245,000	245,000
Anti-dilutive unvested time-based restricted shares	239,036	346,499
Anti-dilutive unvested performance-based restricted shares	139,319	—
Total Anti-dilutive shares	623,355	591,499

Three months ended March 31,

Net income available to shareholders