CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($)	Total	Common Stock	Retained Earnings (Accumulated Deficit)	Accumulated other comprehensive loss
Balance, shares at Dec. 31, 2019		8,212,748
Balance, amount at Dec. 31, 2019	$ 21,530,000	$ 18,748,000	$ 2,508,000	$ 274,000
Repurchased shares	0	$ 0
Stock awards issued, net of tax withheld, shares		5,190
Stock awards issued, net of tax withheld, amount	(10,000)	$ (10,000)	0	0
Issuance of stock through: ESPP, shares		3,509
Issuance of stock through: ESPP, amount	14,000	$ 14,000	0	0
Share-based compensation	249,000	249,000	0	0
Net income (loss)	(554,000)	0	(554,000)	0
Other comprehensive income (loss)	(265,000)	$ 0	0	(265,000)
Balance, shares at Mar. 31, 2020		8,221,447
Balance, amount at Mar. 31, 2020	20,964,000	$ 19,001,000	1,954,000	9,000
Balance, shares at Dec. 31, 2019		8,212,748
Balance, amount at Dec. 31, 2019	21,530,000	$ 18,748,000	2,508,000	274,000
Net income (loss)	(1,611,000)
Balance, shares at Jun. 30, 2020		8,390,943
Balance, amount at Jun. 30, 2020	20,310,000	$ 19,319,000	897,000	94,000
Balance, shares at Mar. 31, 2020		8,221,447
Balance, amount at Mar. 31, 2020	20,964,000	$ 19,001,000	1,954,000	9,000
Repurchased shares	0	$ 0
Stock awards issued, net of tax withheld, shares		169,496
Stock awards issued, net of tax withheld, amount	(163,000)	$ (163,000)	0	0
Issuance of stock through: ESPP, amount	0	0	0	0
Share-based compensation	481,000	481,000	0	0
Net income (loss)	(1,057,000)	0	(1,057,000)	0
Other comprehensive income (loss)	85,000	$ 0	0	85,000
Balance, shares at Jun. 30, 2020		8,390,943
Balance, amount at Jun. 30, 2020	20,310,000	$ 19,319,000	897,000	94,000
Balance, shares at Dec. 31, 2020		8,416,335
Balance, amount at Dec. 31, 2020	19,639,000	$ 20,071,000	(1,456,000)	1,024,000
Repurchased shares	0	$ 0
Stock awards issued, net of tax withheld, shares		2,089
Stock awards issued, net of tax withheld, amount	(4,000)	$ (4,000)	0	0
Issuance of stock through: ESPP, shares		3,175
Issuance of stock through: ESPP, amount	16,000	$ 16,000	0	0
Share-based compensation	278,000	278,000	0	0
Net income (loss)	(333,000)	0	(333,000)	0
Other comprehensive income (loss)	(180,000)	$ 0	0	(180,000)
Balance, shares at Mar. 31, 2021		8,421,599
Balance, amount at Mar. 31, 2021	19,416,000	$ 20,361,000	(1,789,000)	844,000
Balance, shares at Dec. 31, 2020		8,416,335
Balance, amount at Dec. 31, 2020	19,639,000	$ 20,071,000	(1,456,000)	1,024,000
Net income (loss)	(362,000)
Balance, shares at Jun. 30, 2021		8,619,522
Balance, amount at Jun. 30, 2021	19,498,000	$ 20,320,000	(1,818,000)	996,000
Balance, shares at Mar. 31, 2021		8,421,599
Balance, amount at Mar. 31, 2021	19,416,000	$ 20,361,000	(1,789,000)	844,000
Repurchased shares	0	$ 0
Stock awards issued, net of tax withheld, shares		197,923
Stock awards issued, net of tax withheld, amount	(442,000)	$ (442,000)	0	0
Issuance of stock through: ESPP, amount	0	0	0	0
Share-based compensation	401,000	401,000	0	0
Net income (loss)	(29,000)	0	(29,000)	0
Other comprehensive income (loss)	152,000	$ 0	0	152,000
Balance, shares at Jun. 30, 2021		8,619,522
Balance, amount at Jun. 30, 2021	$ 19,498,000	$ 20,320,000	$ (1,818,000)	$ 996,000