v3.21.2
CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Current assets:    
Cash $ 15,504,000 $ 28,268,000
Accounts receivable, net 199,000  
Inventory 731,054 768,319
Prepaid expenses and vendor deposits 515,000 301,000
Total current assets 16,949,000 29,337,000
Property and equipment, net 388,000 289,000
Right-to-use assets, net 252,000 306,000
Other assets:    
Patents, net 336,000 346,000
Trademarks 1,000 1,000
Prepaid expenses, long term   5,000
Deposits 101,000 102,000
Total assets 18,027,000 30,386,000
Current liabilities:    
Accounts payable and accrued expenses, including $80 and $317 to related parties as of June 30, 2021 and December 31, 2020, respectively 3,027,000 4,722,000
Deferred revenue, short term 32,000 0
Dividends payable 77,000 73,000
Lease liability, short term 247,000 313,000
Total current liabilities 3,383,000 5,108,000
Deferred revenue, long term 21,000 0
Lease liability, long term 1,000 1,000
Total long term debt 22,000 1,000
Total liabilities 3,405,000 5,109,000
Series C 9% Convertible Preferred Stock, $0.001 par value, $1,000 stated value, authorized 4,200 shares, 105 shares issued and outstanding; liquidation preference of $105 as of June 30, 2021 and December 31, 2020 105,000 105,000
Equity:    
Preferred stock, 0 0
Common stock, $0.001 par value, authorized 200,000,000 shares, 32,205,479 and 30,764,792 issued and outstanding as of June 30, 2021 and December 31, 2020, respectively 32,000 31,000
Additional paid in capital 187,136,000 181,344,000
Accumulated deficit (173,025,000) (157,005,000)
Total stockholders' equity (deficit) 14,143,000 24,370,000
Non-controlling interest 374,000 802,000
Total equity 14,517,000 25,172,000
Total liabilities and stockholders' equity (deficit) $ 18,027,000 $ 30,386,000

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