Table:
2019	2018

Number of Shares	Weighted Average Grant Date Fair Value	Number of Shares	Weighted Average Grant Date Fair Value

Non-vested at beginning of year	315,292	$2.26	438,712	$2.28

Shares granted	253,113	2.17	200,000	3.16

Shares vested	82,270	2.28	323,420	2.84

Non-vested at end of year	486,135	$2.53	315,292	$2.26

Reconstruct the table in the presented picture as an HTML-style table in text.

<table border='1' cellspacing='0'>
<tr> <th>  </th> <th> 2019 </th> <th>  </th> <th> 2018 </th> <th>  </th> </tr>
<tr> <td>  </td> <td> Number of Shares </td> <td> Weighted Average Grant Date Fair Value </td> <td> Number of Shares </td> <td> Weighted Average Grant Date Fair Value </td> </tr>
<tr> <td> Non-vested at beginning of year </td> <td> 315,292 </td> <td> $2.26 </td> <td> 438,712 </td> <td> $2.28 </td> </tr>
<tr> <td> Shares granted </td> <td> 253,113 </td> <td> 2.17 </td> <td> 200,000 </td> <td> 3.16 </td> </tr>
<tr> <td> Shares vested </td> <td> 82,270 </td> <td> 2.28 </td> <td> 323,420 </td> <td> 2.84 </td> </tr>
<tr> <td> Non-vested at end of year </td> <td> 486,135 </td> <td> $2.53 </td> <td> 315,292 </td> <td> $2.26 </td> </tr>
</table>