Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets

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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Assets, Current [Abstract]    
Cash and cash equivalents $ 20,892 $ 22,793
Accounts receivable 725 882
Inventory 765 1,239
Prepaid expenses and other current assets 370 770
Total current assets 22,752 25,684
Non-current assets    
Property and equipment, net 45,548 45,733
Intellectual property, net 1,271 1,461
Other assets 1,800 1,564
Total non-current assets 48,619 48,758
Total assets 71,371 74,442
Current liabilities    
Accounts payable 2,088 1,436
Accrued expenses 5,196 1,801
Deferred rent, current portion 8 192
Lease liability, current portion 121 0
Notes payable, current portion 311 405
Convertible note payable, current portion 4,075 0
Total current liabilities 11,799 3,834
Deferred rent, non-current portion 27 771
Lease liability, non-current portion 110 0
Asset retirement obligation 745 701
Notes payable, non-current portion 8,600 8,839
Convertible note payable, non-current portion 0 1,332
Total liabilities 21,281 15,477
Commitments and contingencies
Stockholders’ equity    
Common stock; $0.001 par value; 50,000,000 shares authorized; 38,932,437 and 27,554,076 shares issued and outstanding as of December 31, 2018 and December 31, 2017, respectively 39 27
Additional paid-in capital 145,147 113,780
Accumulated deficit (95,096) (54,842)
Total stockholders’ equity 50,090 58,965
Total liabilities and stockholders’ equity $ 71,371 $ 74,442