v3.21.1
Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 7,507,319 $ 2,670,495
Stock subscriptions and other receivables 583,733 2,987,319
Inventory 166,242 169,798
Prepaid expenses and other 570,745 700,716
Total current assets 8,828,039 6,528,328
Property and equipment 845,379 845,379
Less accumulated depreciation and amortization 722,297 713,217
Property and equipment, net 123,082 132,162
Right-of-use lease assets 458,280 458,280
Less accumulated amortization 238,563 208,185
Right-of-use lease assets, net 219,717 250,095
License agreements, patents and trademarks 815,335 747,863
Less accumulated amortization 136,290 127,622
License agreements, patents and trademarks, net 679,045 620,241
Other assets 227,192 227,192
Total assets 10,077,075 7,758,018
Current liabilities:    
Accounts payable 1,234,120 1,161,717
Accrued liabilities and other 2,429,822 2,512,994
Notes payable 190,550 745,443
Lease liabilities, current 304,262 294,951
Total current liabilities 4,158,754 4,715,105
Lease liabilities 209,439 296,006
Deferred revenue 700,000 700,000
Total liabilities 5,068,193 5,711,111
Commitments and contingencies (Note 11)
Stockholders’ equity:    
Series D preferred stock subscribed; $.001 par value, 100,500 and 103,000 shares subscribed as of March 31, 2021 and December 31, 2020, respectively 101 132
Series D preferred stock subscriptions receivable (9,550,000) (10,300,000)
Common stock; $.001 par value; 300,000,000 shares authorized; 28,706,187 and 27,149,691 shares issued and outstanding as of March 31, 2021 and December 31, 2020, respectively 219,703 218,146
Common stock subscribed; $.001 par value, 995,000 shares subscribed as of March 31, 2021 and December 31, 2020, respectively 995 995
Common stock subscriptions receivable (4,975,000) (4,975,000)
Additional paid-in capital 380,605,305 375,428,014
Accumulated deficit (362,023,573) (359,056,683)
Total Navidea stockholders' equity 4,277,581 1,315,604
Noncontrolling interest 731,301 731,303
Total stockholders’ equity 5,008,882 2,046,907
Total liabilities and stockholders’ equity 10,077,075 7,758,018
Non-Series Preferred Stock [Member]    
Stockholders’ equity:    
Preferred stock, par value, authorized, issued and outstanding as of March 31, 2021 and December 31, 2020, respectively
Series E Preferred Stock [Member]    
Stockholders’ equity:    
Preferred stock, par value, authorized, issued and outstanding as of March 31, 2021 and December 31, 2020, respectively $ 50

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