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RESTRICTED CASH	6 Months Ended
RESTRICTED CASH	Jun. 30, 2018
RESTRICTED CASH
RESTRICTED CASH	3.RESTRICTED CASH Restricted cash as each of June 30, 2018 and December 31, 2017 was $102 thousand and $361 thousand, respectively. Restricted cash as of June 30, 2018 included a $50 thousand security deposit related to the Company’s credit card account, $12 thousand related to 401(k) reserve account and a $40 thousand standby letter of credit in favor of a landlord (see Note 6).