LINE OF CREDIT and TERM NOTE (Details) - USD ($)		1 Months Ended			3 Months Ended		9 Months Ended
	Aug. 11, 2017	Apr. 30, 2018	Jan. 31, 2018	Dec. 31, 2017	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018	[1]	Jul. 24, 2018
Line of Credit and Term Loan with Western Alliance Bank [Abstract]
Line of credit, outstanding amount					$ 2,588,000		$ 2,588,000		$ 2,669,000
Financing Agreement [Member]
Line of Credit and Term Loan with Western Alliance Bank [Abstract]
Line of credit facility, maturity date							Sep. 01, 2019
Financing Agreement [Member] | Term Loan [Member]
Line of Credit and Term Loan with Western Alliance Bank [Abstract]
Debt instrument, face amount	$ 400,000
Proceeds from issuance of debt	400,000
First payment period of debt payment for interest							6 months
Remaining period of debt payment for principal and interest							18 months
Frequency of periodic payment							Monthly
Repayment of debt		$ 125,000	$ 125,000	$ 150,000
Financing Agreement [Member] | Term Loan [Member] | Wall Street Journal Prime Rate [Member]
Line of Credit and Term Loan with Western Alliance Bank [Abstract]
Basis spread on variable interest rate							1.75%
Financing Agreement [Member] | Revolving Credit Line [Member]
Line of Credit and Term Loan with Western Alliance Bank [Abstract]
Line of credit facility, maximum borrowing capacity	$ 2,400,000
Percentage of borrowing base based on eligible domestic accounts receivable	80.00%
Line of credit interest rate					6.50%		6.50%
Financing Agreement [Member] | Revolving Credit Line [Member] | Wall Street Journal Prime Rate [Member]
Line of Credit and Term Loan with Western Alliance Bank [Abstract]
Basis spread on variable interest rate							1.50%
Loan Modification [Member]
Line of Credit and Term Loan with Western Alliance Bank [Abstract]
Interest expense					$ 54,000	$ 64,000	$ 152,000	$ 119,000
Actual EBITDA trailing period							6 months
Actual EBITDA trailing period, test value							$ 1
Loan Modification [Member] | Revolving Credit Line [Member]
Line of Credit and Term Loan with Western Alliance Bank [Abstract]
Line of credit facility, maturity date							Nov. 15, 2020
Line of credit facility, maximum borrowing capacity											$ 2,850,000
Line of credit, outstanding amount					2,588,000		$ 2,588,000
Line of credit, remaining borrowing capacity					$ 262,000		$ 262,000

[1] Derived from audited financial statements.