Condensed Consolidated Balance Sheets (Unaudited) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 16,803,000	$ 8,589,000
Prepaid expenses and other current assets	963,000	816,000
Total current assets	17,766,000	9,405,000
Property and equipment, net	256,000	297,000
Operating lease right-of-use asset	99,000	141,000
TOTAL ASSETS	18,121,000	9,843,000
Current liabilities:
Accounts payable	589,000	1,061,000
Accrued expenses	1,015,000	980,000
Current portion of long-term debt	74,000	74,000
Operating lease liability	99,249	141,000
Total current liabilities	1,777,000	2,256,000
Long-term debt	156,000	175,000
TOTAL LIABILITIES	1,933,000	2,431,000
Commitments and contingencies (Note 7)
Stockholders’ equity (deficit):
Common stock, par value of $0.0001 per share; 100,000,000 shares authorized as of March 31, 2022, and December 31, 2021; 42,664,903 and 30,801,962 shares issued as of March 31, 2022 and December 31, 2021, respectively; 42,664,051 and 30,801,110 shares outstanding as of March 31, 2022 and December 31, 2021, respectively	4,000	3,000
Additional paid-in capital	320,651,000	307,281,000
Treasury stock, at cost; 852 shares of common stock as of March 31, 2022 and December 31, 2021, respectively	(11,000)	(11,000)
Accumulated deficit	(304,456,000)	(299,861,000)
TOTAL STOCKHOLDERS’ EQUITY	16,188,000	7,412,000
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 18,121,000	$ 9,843,000