Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Operating activities:
Net income (loss)	$ (614,578)	$ 37,091	$ 68,369
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	744,094	671,009	336,037
Provision for uncollectible accounts	48,342	22,585	31,290
Equity based compensation	11,237	62,025	75,516
Loss on disposal of assets			686
Deferred income taxes	(770)	(297,640)	(36,088)
Changes in assets and liabilities:
Accounts and other receivables	(740,794)	1,000,269	1,526,273
Inventories	174,037	(300,472)	(297,059)
Prepaid expenses	32,680	(103,376)	(131,793)
Deferred revenue		(341,000)
Accounts payable and accrued expenses	345,205	(274,209)	(214,132)
Income taxes	(65,830)	4,519	(10,973)
Pension and other benefits	(11,844)	123,983	169,543
Net cash provided by (used in) operating activities	(78,221)	604,784	1,517,669
Net cash used in investing activities:
Purchase of property, plant and equipment	(413,737)	(1,227,798)	(1,968,592)
Financing activities:
Long-term debt payments	(200,000)	(200,000)
Long-term debt borrowings			1,000,000
Borrowings under revolving line of credit	600,000	700,000
Repayment of factoring agreement			(428,588)
Net cash provided by financing activities	400,000	500,000	571,412
Effect of exchange rate changes on cash	(20,321)	(1,306)	2,711
Net increase (decrease) in cash and cash equivalents	(112,279)	(124,320)	123,200
Cash and cash equivalents at beginning of year	525,632	649,952	526,752
Cash and cash equivalents at end of year	413,353	525,632	649,952
Cash paid during the year for:
Interest	107,057	67,555	15,447
Income taxes	$ 15,210	$ 15,647	$ 20,311