SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Share based Comp (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016	Nov. 30, 2010
Stock Options
Options
Balance at the beginning of the period(in shares)	37,750
Granted (in shares)	0	0
Exercised (in shares)	0	0
Balance at the end of the period (in shares)	37,750
Exercisable at the end of the period (in shares)	37,750
Weighted-Average Exercise Price Per Share
Outstanding at the beginning of the period (in dollars per share)	$ 4.75
Outstanding at the end of the period (in dollars per share)	4.75
Exercisable at the end of the period (in dollars per share)	$ 4.75
Weighted-Average Remaining Contractual Term
Outstanding at the end of the period	3 years 11 months 19 days
Exercisable at the end of the period	3 years 11 months 19 days
Aggregate Intrinsic Value
Outstanding at the end of the period	$ 6,525
Exercisable at the end of the period	6,525
Additional disclosures
Compensation expense	0	$ 994
Unrecognized compensation related to unvested awards	0
Earnings per Common Share
Weighted average common stock equivalents from assumed exercise of stock options (in shares)		16,000
Outstanding options excluded from computation of income per share as effect would be antidilutive (in shares)		74,250
2010 Plan | Equity Appreciation Rights Plan
Additional disclosures
Compensation expense	$ 7,300	$ (9,700)
Equity Appreciation Rights Plan
Vesting period from the base date	3 years
Shares granted (in units)	0
Accrued compensation	$ 30,000		$ 45,000
2010 Plan | Equity Appreciation Rights Plan | other accrued liabilities
Equity Appreciation Rights Plan
Accrued compensation	0		23,000
2010 Plan | Equity Appreciation Rights Plan | Other long-term liabilities
Equity Appreciation Rights Plan
Accrued compensation	$ 30,000		$ 22,000
2010 Plan | Equity Appreciation Rights Plan | Maximum
Equity Appreciation Rights Plan
Number of common shares authorized				1,000,000
Redemption cash payment period	90 days