CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)	Total	Common Stock	Treasury Stock	Paid-in Capital	Treasury Stock, Common [Member]	Retained Earnings	Common Stock	Common Stock Common Stock	Common Stock Paid-in Capital
BALANCE at the beginning (in shares) at Dec. 31, 2017		19,631,266	0
BALANCE, at the beginning at Dec. 31, 2017	$ 14,860,000	$ 196,000	$ 0	$ 14,288,000		$ 376,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net proceeds from sale of stock							$ 14,636,000	$ 17,000	$ 14,619,000
Dividend declared	$ 5,840,000			2,361,000
Dividends						(3,479,000)
Sale of Stock, Number of Shares Issued in Transaction							1,720,000
Stock option exercise (in shares)	179,000	179,204
Stock option exercise	$ 790,000	$ 2,000		788,000
Net income	3,103,000					3,103,000
BALANCE at the end (in shares) at Dec. 31, 2018		21,530,470	59,174
BALANCE, at the end at Dec. 31, 2018	$ 27,871,000	$ 215,000	$ (1,000)	27,657,000	$ (1,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
APIC, Share-based Payment Arrangement, Increase for Cost Recognition				323,000
Treasury Stock, Shares	59,174
Retained earnings	$ 0					0
Dividend declared	$ 6,172,000			3,948,000
Dividends						(2,224,000)
Stock option exercise (in shares)	67,000	105,950
Stock option exercise	$ 413,000	$ 1,000	$ 39,865	412,000
Stock compensation	336,000
Net income	2,224,000					2,224,000
BALANCE at the end (in shares) at Dec. 31, 2019		21,636,420	(99,039)
BALANCE, at the end at Dec. 31, 2019	$ 24,672,000	$ 216,000	$ (1,000)	24,457,000	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
APIC, Share-based Payment Arrangement, Increase for Cost Recognition				$ 336,000
Treasury Stock, Shares	99,039
Retained earnings	$ 0					$ 0