CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	3 Months Ended
Mar. 28, 2015	Mar. 29, 2014
Cash flows from operating activities:
Net income (loss)	$ 1,933,119	$ (1,343,406)
Adjustments to reconcile net income (loss) to net cash from operating activities:
Depreciation and amortization	902,233	980,005
Deferred income taxes	45,241us-gaap_DeferredIncomeTaxExpenseBenefit	92,601us-gaap_DeferredIncomeTaxExpenseBenefit
Stock-based compensation expense	160,090us-gaap_ShareBasedCompensation	101,201us-gaap_ShareBasedCompensation
Gain on sale of discontinued operations		(127,994)
(Gain) loss on sale of property, plant and equipment, net	(2,700)	23,924
Changes in operating assets and liabilities	(21,930,235)	(609,373)
Net cash used in operating activities	(18,892,252)	(883,042)
Cash flows from investing activities:
Proceeds from sale of discontinued operations		3,884,656
Additions to property, plant and equipment	(912,354)	(686,450)
Proceeds from sale of property, plant, and equipment	2,700	9,613
Purchases of investments	(32,846)us-gaap_PaymentsToAcquireInvestments	(5,270)us-gaap_PaymentsToAcquireInvestments
Net cash provided by (used in) investing activities	(942,500)	3,202,549
Cash flows from financing activities:
Proceeds from revolving line of credit and other long-term debt	11,903,489
Repayments of revolving line of credit and other long-term debt	(2,866,667)us-gaap_RepaymentsOfLongTermDebt	(166,667)us-gaap_RepaymentsOfLongTermDebt
Payments of cash dividends	(828,509)us-gaap_PaymentsOfDividendsCommonStock
Treasury Stock Purchased	(87,230)sts_TreasuryStockPurchased
Proceeds from exercise of stock options	145,695	48,332
Net cash provided by (used in) financing activities	8,266,778	(118,335)
Change in cash and cash equivalents	(11,567,974)	2,201,172
Cash and cash equivalents, beginning of period	11,636,988	3,894,277
Cash and cash equivalents, end of period	$ 69,014	$ 6,095,449

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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The cash outflow associated with the purchase of all investments (debt, security, other) during the period.

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