v3.19.1
CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
Jan. 31, 2019
Oct. 31, 2018
Current assets:    
Cash and cash equivalents $ 4,152,638 $ 3,055,890
Short-term investments in certificates of deposit 1,750,000 2,000,000
Prepaid expenses and other current assets 333,671 482,482
Total current assets 6,236,309 5,538,372
Patents, net of impairment of $1,001,729 and $582,979, respectively, and accumulated amortization of $1,866,882 and $1,615,632, respectively 167,500 837,500
Property and equipment, net of accumulated depreciation of $59,929 and $53,799, respectively 66,540 72,670
Total assets 6,470,349 6,448,542
Current liabilities:    
Accounts payable 612,940 582,012
Accrued expenses 714,139 683,099
Total current liabilities 1,327,079 1,265,111
Commitments and contingencies (Note 9)
Shareholders’ equity:    
Preferred stock, par value $100 per share; 19,860 shares authorized; no shares issued or outstanding, Series A convertible preferred stock, par value $100 per share; 140 shares authorized; no shares issued or outstanding
Common stock, par value $.01 per share; 48,000,000 shares authorized; 19,470,235 and 18,908,632 shares issued and outstanding, respectively 194,702 189,086
Additional paid-in capital 180,336,763 175,415,931
Accumulated deficit (175,052,050) (170,170,209)
Total shareholders’ equity 5,479,415 5,434,808
Noncontrolling interest (Note 1) (336,145) (251,377)
Total equity 5,143,270 5,183,431
Total liabilities and equity 6,470,349 6,448,542
Series A Preferred Stock [Member]    
Shareholders’ equity:    
Preferred stock, par value $100 per share; 19,860 shares authorized; no shares issued or outstanding, Series A convertible preferred stock, par value $100 per share; 140 shares authorized; no shares issued or outstanding
Preferred Stock [Member]    
Shareholders’ equity:    
Preferred stock, par value $100 per share; 19,860 shares authorized; no shares issued or outstanding, Series A convertible preferred stock, par value $100 per share; 140 shares authorized; no shares issued or outstanding

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