Preferred Stock:
  On 
 August 31, 2020, 
the Company entered into the Series D Preferred Stock Purchase Agreement with Keystone pursuant to which the Company agreed to issue to Keystone 
150,000
 shares of newly-designated Series D Preferred Stock for an aggregate purchase price of 
$15.0
 million.  Of this amount, 
$150,000
 was received and the related 
1,500
 shares of Series D Preferred Stock were issued during the 
third
 quarter of 
2020.
  These 
1,500
 shares were subsequently converted into 
56,497
 shares of Common Stock during the 
third
 quarter of 
2020.
  An additional 
$700,000
 was received and the related 
7,000
 shares of Series D Preferred Stock were issued during the period beginning on 
 October 1, 2020 
and ending on the date of filing of this Quarterly Report on Form 
10
-Q.  These 
7,000
 shares of Series D Preferred Stock were subsequently converted into 
313,290
 shares of Common Stock during the period beginning on 
 October 1, 2020 
and ending on the date of filing of this Quarterly Report on Form 
10
-Q.  In accordance with current accounting guidance, 
$700,000
 of stock subscriptions receivable was included in stock subscriptions and other receivables, and approximately 
$14.2
 million was included in preferred stock subscriptions receivable in the consolidated balance sheet as of 
 September 30, 2020.  
See Notes 
2
 and 
11.