Consolidated Statement of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (Loss)	$ 1,188,000	$ 3,605,000
Adjustments to reconcile net income (Loss) to net cash provided by operating activities:
Depreciation and amortization	1,260,000	1,262,000
Stock compensation expense	202,000	168,000
Change in assets and liabilities:
Receivables	14,486,000	2,030,000
Inventories	(483,000)	2,916,000
Other current assets	(1,757,000)	(2,530,000)
Other assets	(40,000)	(113,000)
Accounts payable	3,310,000	3,890,000
Accrued and other liabilities	(3,967,000)	(1,382,000)
Income taxes payable	(23,000)
Net cash provided by operating activities	14,176,000	9,846,000
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of fixed assets	(3,417,000)	(1,802,000)
Proceeds from sales of fixed assets		5,000
Net cash used in investing activities	(3,417,000)	(1,797,000)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from revolving credit facility	20,000,000
Proceeds from stock options		294,000
Repurchase of common stock	(1,000,000)
Dividends paid on common stock	(1,030,000)	(886,000)
Net cash used in financing activities	17,970,000	(592,000)
(DECREASE) INCREASE IN CASH AND CASH	28,729,000	7,457,000
CASH AND CASH EQUIVALENTS:
BEGINNING OF PERIOD	15,518,000	10,173,000
END OF PERIOD	$ 44,247,000	$ 17,630,000