2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Accounting Policies [Abstract]
Basic EPS, Income	$ 9,081,000	$ 7,907,000	$ 5,674,000
Basic EPS, Shares	3,282,335	3,290,812	3,119,333
Basic EPS, Per Share Amounts	$ 2.77	$ 2.40	$ 1.82
Effect of Dilutive Securities Convertible Preferred Stock, Income	$ 487,000	$ 510,000	$ 128,000
Effect of Dilutive Securities Convertible Preferred Stock, Shares	434,256	444,400	110,631
Effect of Dilutive Securities Convertible Preferred Stock, Per Share Amounts	$ (0.20)	$ (0.15)	$ (0.02)
Diluted EPS Net income	$ 9,568,000	$ 8,417,000	$ 5,802,000
Diluted EPS, Shares	3,716,591	3,735,212	3,229,942
Diluted EPS, Per Share Amounts	$ 2.57	$ 2.25	$ 1.80