Restricted Cash	6 Months Ended
Jun. 30, 2019
Receivables [Abstract]
Restricted Cash	(2) RESTRICTED CASH In connection with the Company entering into an agreement to lease office space for its corporate headquarters, the Company’s bank, Avidbank, issue a letter for credit to the lessor in the amount of $250,000 as security, which amount will reduce by $50,000 each year beginning December 1, 2019, provided there has been no default under the lease. Avidbank required the Company to deposit $250,000 in a restricted cash account maintained with the bank, which amount will reduce in alignment with the amount required under the letter of credit each year. The Company recorded the $250,000 deposit as restricted cash on its balance sheet, with $50,000 plus any earned interest being recorded in short-term restricted cash and the balance being recorded in long-term restricted cash. The amount deposited in such account will not count toward the covenant under the Avidbank loan and security agreement (see Note 6) that requires the Company to have an aggregate amount of unrestricted cash in deposit accounts or securities accounts maintained with Avidbank of not less than $2,000,000 at all times.

Restricted Cash

6 Months Ended

Jun. 30, 2019

(2) RESTRICTED CASH

In connection with the Company entering into an agreement to lease office space for its corporate headquarters, the Company’s bank, Avidbank, issue a letter for credit to the lessor in the amount of $250,000 as security, which amount will reduce by $50,000 each year beginning December 1, 2019, provided there has been no default under the lease. Avidbank required the Company to deposit $250,000 in a restricted cash account maintained with the bank, which amount will reduce in alignment with the amount required under the letter of credit each year. The Company recorded the $250,000 deposit as restricted cash on its balance sheet, with $50,000 plus any earned interest being recorded in short-term restricted cash and the balance being recorded in long-term restricted cash. The amount deposited in such account will not count toward the covenant under the Avidbank loan and security agreement (see Note 6) that requires the Company to have an aggregate amount of unrestricted cash in deposit accounts or securities accounts maintained with Avidbank of not less than $2,000,000 at all times.