v3.8.0.1
CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
Apr. 30, 2018
Oct. 31, 2017
Current assets:    
Cash and cash equivalents $ 4,172,450 $ 3,339,374
Short-term investments in certificates of deposit 1,250,000 3,500,000
Prepaid expenses and other current assets 298,181 174,566
Total current assets 5,720,631 7,013,940
Patents, net of accumulated amortization of $1,452,985 and $1,290,336, respectively 1,583,127 1,745,775
Property and equipment, net of accumulated depreciation of $42,734 and $35,725, respectively 57,145 52,701
Total assets 7,360,903 8,812,416
Current liabilities:    
Accounts payable 452,106 480,324
Accrued expenses 888,151 409,169
Total current liabilities 1,340,257 889,493
Commitments and contingencies (Note 11)
Shareholders’ equity:    
Preferred stock, par value $100 per share; 19,860 shares authorized; no shares issued or outstanding and 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 and 24,000,000 shares authorized, respectively; 16,850,445 and 16,602,759 shares issued and outstanding, respectively 168,504 166,028
Additional paid-in capital 165,288,632 163,931,079
Accumulated deficit (159,390,790) (156,174,184)
Total shareholders’ equity 6,066,346 7,922,923
Noncontrolling interest (Note 1) (45,700)
Total equity 6,020,646 7,922,923
Total liabilities and equity 7,360,903 8,812,416
Series A Preferred Stock [Member]    
Shareholders’ equity:    
Preferred stock, par value $100 per share; 19,860 shares authorized; no shares issued or outstanding and 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 and Series A convertible preferred stock, par value $100 per share; 140 shares authorized; no shares issued or outstanding

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