Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Unaudited)

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Condensed Consolidated Balance Sheets (Unaudited) - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 28,446,000 $ 6,523,000 [1]
Accounts receivable, net of allowance for doubtful accounts of $126 and $124 as of March 31, 2021 and December 31, 2020, respectively 336,000 770,000 [1]
Inventory 3,049,000 3,254,000 [1]
Prepaid expenses and other current assets 2,043,000 2,296,000 [1]
Total current assets 33,874,000 12,843,000 [1]
Property and equipment, net 2,316,000 2,759,000 [1]
Investment in limited liability company 757,000 833,000 [1]
Other assets 723,000 195,000 [1]
Total assets 37,670,000 16,630,000 [1]
Current liabilities:    
Accounts payable 1,157,000 881,000 [1]
Accrued liabilities 1,873,000 2,416,000 [1]
Paycheck Protection Program loan, current portion 1,246,000 918,000 [1]
Total current liabilities 4,276,000 4,215,000 [1]
Note payable, noncurrent portion 4,660,000 4,518,000 [1]
Paycheck Protection Program loan, noncurrent portion 97,000 425,000 [1]
Other noncurrent liabilities 1,097,000 498,000 [1]
Total liabilities 10,130,000 9,656,000 [1]
Commitments and contingences (Note 9)
Stockholders’ equity:    
Common stock, $0.0001 par value; 75,000,000 shares authorized as of March 31, 2021 and December 31, 2020; 10,341,716 and 2,171,316 shares issued and outstanding as of March 31, 2021 and December 31, 2020, respectively 1,000 [1]
Additional paid-in capital 253,156,000 226,800,000 [1]
Accumulated deficit (225,617,000) (219,826,000) [1]
Total stockholders’ equity 27,540,000 6,974,000 [1]
Total liabilities and stockholders’ equity 37,670,000 16,630,000 [1]
Series B Preferred Stock [Member]    
Stockholders’ equity:    
Convertible preferred stock [1]
Series C Preferred Stock [Member]    
Stockholders’ equity:    
Convertible preferred stock [1]
[1] The condensed consolidated balance sheet as of December 31, 2020 has been derived from the audited consolidated financial statements as of that date.