Condensed Balance Sheets - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash	$ 8,956,200	$ 2,146,611
Accounts receivable, net	1,476,454	1,193,426
Inventories, net	581,498	498,702
Prepaid expenses and other current assets	636,746	416,600
Total current assets	11,650,898	4,255,339
Fixed assets, net	2,900,994	3,123,567
Total assets	14,551,892	7,378,906
Current liabilities:
Accounts payable	1,792,541	1,269,953
Accrued liabilities	1,953,970	1,425,761
Supplier financings	120,802	61,226
Interest payable		326,602
Current portion of equipment financings	571,774	408,992
Credit facility, net		1,168,811
Total current liabilities	4,439,087	4,661,345
Non-current portion of equipment financings	1,016,352	1,150,063
Non-current portion of deferred rent	158,045	271,464
Total liabilities	5,613,484	6,082,872
Commitments and contingencies (see Note 11)
Shareholders’ equity:
Preferred stock, $0.0001 par value, 5,000,000 authorized; zero and 11,587 shares issued and outstanding at December 31, 2017 and September 30, 2018.	1
Common stock, $0.0001 par value, 150,000,000 authorized; 1,181,179 issued and outstanding at December 31, 2017; 3,937,226 issued and outstanding at September 30, 2018.	394	3,518
Additional paid-in capital	223,382,018	196,542,123
Accumulated deficit	(214,444,005)	(195,249,607)
Total shareholders’ equity	8,938,408	1,296,034
Total liabilities and shareholders’ equity	$ 14,551,892	$ 7,378,906