CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Retained Earnings
Balance, shares at Dec. 31, 2020		5,279,411	40,920
Balance, amount at Dec. 31, 2020	$ 23,649	$ 52	$ (102)	$ 6,405	$ 17,294
Restricted stock issued	0	0	0	0	0
Vesting of restricted stock	41	0	0	41	0
Net income (loss)	2,867	$ 0	$ 0	0	2,867
Balance, shares at Mar. 31, 2021		5,279,411	40,920
Balance, amount at Mar. 31, 2021	26,557	$ 52	$ (102)	6,446	20,161
Balance, shares at Dec. 31, 2020		5,279,411	40,920
Balance, amount at Dec. 31, 2020	23,649	$ 52	$ (102)	6,405	17,294
Net income (loss)	7,546
Balance, shares at Sep. 30, 2021		5,326,595	40,920
Balance, amount at Sep. 30, 2021	31,454	$ 53	$ (102)	6,663	24,840
Balance, shares at Mar. 31, 2021		5,279,411	40,920
Balance, amount at Mar. 31, 2021	26,557	$ 52	$ (102)	6,446	20,161
Vesting of restricted stock	131	1	0	130	0
Net income (loss)	985	$ 0	0	0	985
Restricted stock issued, shares		47,184
Restricted stock issued, amount	0	$ 0	$ 0	0	0
Balance, shares at Jun. 30, 2021		5,326,595	40,920
Balance, amount at Jun. 30, 2021	27,673	$ 53	$ (102)	6,576	21,146
Restricted stock issued	0	0	0	0	0
Vesting of restricted stock	87	0	0	87	0
Net income (loss)	3,694	$ 0	$ 0	0	3,694
Balance, shares at Sep. 30, 2021		5,326,595	40,920
Balance, amount at Sep. 30, 2021	31,454	$ 53	$ (102)	6,663	24,840
Balance, shares at Dec. 31, 2021		5,353,095	40,920
Balance, amount at Dec. 31, 2021	31,750	$ 53	$ (102)	6,935	24,864
Restricted stock issued	0	0	0	0	0
Vesting of restricted stock	126	0	0	126	0
Net income (loss)	(119)	$ 0	$ 0	0	(119)
Balance, shares at Mar. 31, 2022		5,353,095	40,920
Balance, amount at Mar. 31, 2022	31,757	$ 53	$ (102)	7,061	24,745
Balance, shares at Dec. 31, 2021		5,353,095	40,920
Balance, amount at Dec. 31, 2021	31,750	$ 53	$ (102)	6,935	24,864
Net income (loss)	796
Balance, shares at Sep. 30, 2022		5,353,095	40,920
Balance, amount at Sep. 30, 2022	32,924	$ 53	$ (102)	7,313	25,660
Balance, shares at Mar. 31, 2022		5,353,095	40,920
Balance, amount at Mar. 31, 2022	31,757	$ 53	$ (102)	7,061	24,745
Restricted stock issued	0	0	0	0	0
Vesting of restricted stock	126	0	0	126	0
Net income (loss)	910	$ 0	$ 0	0	910
Balance, shares at Jun. 30, 2022		5,353,095	40,920
Balance, amount at Jun. 30, 2022	32,793	$ 53	$ (102)	7,187	25,655
Restricted stock issued	0	0	0	0	0
Vesting of restricted stock	126	0	0	126	0
Net income (loss)	5	$ 0	$ 0	0	5
Balance, shares at Sep. 30, 2022		5,353,095	40,920
Balance, amount at Sep. 30, 2022	$ 32,924	$ 53	$ (102)	$ 7,313	$ 25,660