CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Cash Flows from Operating Activities
Net income	$ 2,080,000	$ 3,225,000
Non-cash charges:
Depreciation and amortization	1,551,000	1,559,000
Amortization of other intangible assets	718,000	250,000
Amortization of debt issue costs	94,000	103,000
Recovery of doubtful accounts	(90,000)	(42,000)
Stock-based compensation	220,000	338,000
Restricted stock-based compensation	27,000	40,000
Loss on sale of fixed assets	14,000	7,000
Deferred income taxes	1,458,000	1,588,000
Changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable	1,233,000	(2,022,000)
Inventories	1,670,000	1,099,000
Prepaid expenses and other current assets	232,000	(305,000)
Other assets	79,000	67,000
Accounts payable	(318,000)	(1,837,000)
Accrued liabilities	(236,000)	(812,000)
Other liabilities	(16,000)	(16,000)
Total adjustments	6,636,000	17,000
Net cash provided by operating activities	8,716,000	3,242,000
Cash Flows from Investing Activities:
Capital expenditures	(1,072,000)	(693,000)
Proceeds from disposal of assets	15,000	0
Purchase of net assets Air Tool Service Company	(7,659,000)	0
Purchase of Exhaust Technologies, Inc.	(10,377,000)	0
Purchase of Universal Air Tool Company Limited, net of cash acquired of $14,000	(1,792,000)	0
Net cash used in investing activities	(20,885,000)	(693,000)
Cash Flows from Financing Activities:
Proceeds from exercise of stock options	745,000	62,000
Purchase of Class A common stock	(1,583,000)	0
Proceeds from short-term borrowings	84,167,000	65,353,000
Repayments of short-term borrowings	(72,710,000)	(67,786,000)
Proceeds from term loan	3,000,000	0
Repayments of term loans	(793,000)	(460,000)
Proceeds from notes payable	66,000	0
Repayment of notes payable	(21,000)	0
Bank financing costs	(44,000)	0
Net cash provided by (used in) financing activities	12,827,000	(2,831,000)
Effect of exchange rate changes on cash	(60,000)	0
Net increase (decrease) in cash	598,000	(282,000)
Cash at beginning of year	413,000	695,000
Cash at end of year	1,011,000	413,000
Supplemental disclosures of cash flow information:
Cash paid for: Interest	415,000	413,000
Cash paid for: Income taxes	143,000	79,000
Supplemental disclosures of non-cash investing and financing activities:
Contingent Consideration on Acquisition	$ 425,000	$ 0