public function resetSize() {

		$filePath	= $this->getFilePath();

		if( $filePath && file_exists( $filePath ) && is_file( $filePath ) ) {

			$size		= filesize( $filePath ); // bytes
			$sizeInMb	= $size / pow( 1024, 2 );

			$this->size = round( $sizeInMb, 4 ); // Round upto 4 precision, expected size at least in kb
		}
	}