Consolidated Condensed Statements Of Cash Flows (USD $)	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Cash Flows From Operating Activities
Net (loss) income	$ (1,043,088)us-gaap_NetIncomeLoss	$ 865,267us-gaap_NetIncomeLoss
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization expense	1,148,496	320,567
Amortization of debt discount	226,000	95,608
Deferred tax benefit	(480,912)us-gaap_DeferredIncomeTaxExpenseBenefit	0us-gaap_DeferredIncomeTaxExpenseBenefit
Share - based compensation expense	52,577us-gaap_ShareBasedCompensation	0us-gaap_ShareBasedCompensation
Change in guaranteed debt	0sdpi_GainsLossesOnExtinguishmentOfDebt1	45,834sdpi_GainsLossesOnExtinguishmentOfDebt1
Loss on disposition of assets	55,220us-gaap_GainLossOnDispositionOfAssets1	0us-gaap_GainLossOnDispositionOfAssets1
Changes in operating assets and liabilities:
Accounts receivable	859,576	438,100
Inventory	(255,960)us-gaap_IncreaseDecreaseInInventories	0us-gaap_IncreaseDecreaseInInventories
Prepaid expenses and other current assets	37,080	(127,996)
Other assets	54,550	(273,082)
Accounts payable and accrued expenses	(111,278)	110,597
Other liabilities	0	15,000
Net Cash Provided by Operating Activities	542,261	1,489,895
Cash Flows From Investing Activities
Purchases of property, plant and equipment	(223,452)	(52,776)
Net Cash Used in Investing Activities	(223,452)	(52,776)
Cash Flows From Financing Activities
Principal payments on debt	(268,071)us-gaap_RepaymentsOfLongTermDebt	(951,079)us-gaap_RepaymentsOfLongTermDebt
Principal payments on capital lease obligations	(70,160)	(61,995)
Proceeds received from borrowings on debt	0	2,000,000
Capital distributions	0us-gaap_PaymentsOfCapitalDistribution	(1,115,800)us-gaap_PaymentsOfCapitalDistribution
Net Cash Used in Financing Activities	(338,231)	(128,874)
Net (decrease) increase in Cash	(19,422)	1,308,245
Cash at Beginning of Period	5,792,388	11,256
Cash at End of Period	5,772,966	1,319,501
Supplemental information:
Cash paid for Interest	$ 334,426us-gaap_InterestPaid	$ 211,685us-gaap_InterestPaid

Debt extinguishment - difference between the fair value of payments made and the carrying amount prior to maturity.

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