INCOME TAXES - Narratives (Details)	12 Months Ended
	Dec. 31, 2016 USD ($)
Net operating losses
Valuation allowance related to carry forward of charitable contributions deductions	$ 79,000
Pre-tax charitable contributions tax effected	30,000
California Enterprise Zone hiring credits	760,000
Tax Credit Carryforward Valuation Allowance Related To California Enterprise Zone	152,000
Pre-tax California Enterprise Zone effect	$ 100,000
Internal Revenue Service (IRS)
Net operating losses
Net operating losses carryforward period	20 years
State and Local Jurisdiction
Net operating losses
Valuation reserve	$ 789,000
State and Local Jurisdiction | Minimum [Member]
Net operating losses
Net operating losses carryforward period	5 years
State and Local Jurisdiction | Maximum [Member]
Net operating losses
Net operating losses carryforward period	20 years