As per Nasdaq below are the requirements, no mention about keeping $1.00 value ....
Continued Listing
Net Tangible Assets
Market Capitalization
$4 million
or
$50 million
or
$2 million
or
$35 million
or
Net Income (in latest fiscal year or 2 of last 3 years)
$750,000
$500,000
Public Float (shares)
1 million
500,000
Market Value of Public Float
$5 million
$1 million
Minimum Bid Price
$4.00
$1.00
Market Makers
3
2
Shareholders (round lot holders)
300
300
Operating History
1 year
or
N/A
Market Capitalization
$50 million
Corporate Governance
Yes
Yes