Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets

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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Current assets:    
Cash $ 13,890 $ 27,813
Accounts receivable, net of allowances of $84 and $212, respectively 3,547 2,760
Inventories, net 2,382 3,025
Prepaid expenses and other current assets 584 1,339
Total current assets 20,403 34,937
Property and equipment, net 2,271 2,249
Intangible assets, net 225 491
Goodwill 189 189
Other assets 120 122
Total assets 23,208 37,988
Current liabilities:    
Accounts payable 2,590 2,420
Accrued liabilities 3,162 3,503
Deferred revenues, current 1,310 1,103
Note payable, current 2,333 2,139
Total current liabilities 9,395 9,165
Deferred revenues 1,201 816
Note payable, net 3,746 4,830
Warrant liability 1,128 1,648
Contingent liabilities 76 81
Other non-current liabilities 36 57
Total liabilities 15,582 16,597
Commitments and contingencies (Note 14)
Stockholders' equity:    
Convertible preferred stock, $0.001 par value; 10,000 shares authorized; none issued and outstanding at June 30, 2018 and December 31, 2017 0 0
Common stock, $0.001 par value; 141,429 shares authorized; 60,832 and 59,943, shares issued and outstanding at June 30, 2018 and December 31, 2017, respectively 61 60
Additional paid-in capital 167,823 165,825
Accumulated other comprehensive loss (227) (340)
Accumulated deficit (160,031) (144,154)
Total stockholders' equity 7,626 21,391
Total liabilities and stockholders' equity $ 23,208 $ 37,988