v3.8.0.1
CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
Jan. 31, 2018
Oct. 31, 2017
Current assets:    
Cash and cash equivalents $ 2,846,863 $ 3,339,374
Short-term investments in certificates of deposit 2,650,000 3,500,000
Prepaid expenses and other current assets 278,496 174,566
Total current assets 5,775,359 7,013,940
Patents, net of accumulated amortization of $1,371,660 and $1,290,336, respectively 1,664,451 1,745,775
Property and equipment, net of accumulated depreciation of $39,756 and $35,725, respectively 50,828 52,701
Total assets 7,490,638 8,812,416
Current liabilities:    
Accounts payable 416,925 480,324
Accrued expenses 669,633 409,169
Total current liabilities 1,086,558 889,493
Commitments and contingencies (Note 10)
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; 24,000,000 shares authorized; 16,631,191 and 16,602,759 shares issued and outstanding, respectively 166,312 166,028
Additional paid-in capital 164,281,744 163,931,079
Accumulated deficit (158,012,256) (156,174,184)
Total shareholders’ equity 6,435,800 7,922,923
Noncontrolling interest (Note 1) (31,720) 0
Total equity 6,404,080 7,922,923
Total liabilities and equity 7,490,638 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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