Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Cash flow from operating activities:
Net loss	$ (3,646)us-gaap_ProfitLoss	$ (2,785)us-gaap_ProfitLoss
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1,162	1,495
Stock and share-based compensation	219us-gaap_ShareBasedCompensation	78us-gaap_ShareBasedCompensation
Change in fair value of derivative warrant and conversion liabilities	(173)us-gaap_UnrealizedGainLossOnDerivatives	(2,058)us-gaap_UnrealizedGainLossOnDerivatives
Financing expense	0ribt_FinancingExpense	1,122ribt_FinancingExpense
Deferred tax benefit	(6)us-gaap_DeferredIncomeTaxExpenseBenefit	(248)us-gaap_DeferredIncomeTaxExpenseBenefit
Interest accreted	208us-gaap_AccretionExpense	271us-gaap_AccretionExpense
Other	59us-gaap_OtherNoncashIncomeExpense	54us-gaap_OtherNoncashIncomeExpense
Changes in operating assets and liabilities:
Accounts receivable	(31)	678
Inventories	(871)us-gaap_IncreaseDecreaseInInventories	(551)us-gaap_IncreaseDecreaseInInventories
Accounts payable and accrued expenses	1,294	533
Other	(180)	(138)
Net cash used in operating activities	(1,965)	(1,549)
Cash flows from investing activities:
Acquisition of HN, net of cash acquired	0	(725)
Purchases of property	(307)	(2,203)
Proceeds from sale of property	0	20
Net cash used in investing activities	(307)	(2,908)
Cash flows from financing activities:
Payments of debt	(3,886)us-gaap_RepaymentsOfDebt	(4,782)us-gaap_RepaymentsOfDebt
Proceeds from issuance of debt, net of issuance costs	3,721us-gaap_ProceedsFromIssuanceOfDebt	4,258us-gaap_ProceedsFromIssuanceOfDebt
Redemption of stock	0	(450)
Proceeds from issuance of convertible debt and related warrants, net of costs	0us-gaap_ProceedsFromIssuanceOfWarrants	4,303us-gaap_ProceedsFromIssuanceOfWarrants
Proceeds from issuance of common stock and warrants, net of costs	0	764
Net cash provided by (used in) financing activities	(165)	4,093
Effect of exchange rate changes on cash and cash equivalents	76	71
Net change in cash and cash equivalents	(2,361)	(293)
Cash and cash equivalents, beginning of period	3,610	5,091
Cash and cash equivalents, end of period	1,249	4,798
Supplemental disclosures:
Cash paid for interest	441us-gaap_InterestPaid	580us-gaap_InterestPaid
Cash paid for income taxes	$ 0us-gaap_IncomeTaxesPaid	$ 0us-gaap_IncomeTaxesPaid

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+ References

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Name:	us-gaap_UnrealizedGainLossOnDerivatives
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration