Condensed Consolidated Statement of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net income (loss)	$ 1,129us-gaap_NetIncomeLoss	$ (4,070)us-gaap_NetIncomeLoss
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation	52us-gaap_Depreciation	57us-gaap_Depreciation
Stock-based compensation	112us-gaap_ShareBasedCompensation	123us-gaap_ShareBasedCompensation
Provision for doubtful accounts receivable	99us-gaap_ProvisionForDoubtfulAccounts	(6)us-gaap_ProvisionForDoubtfulAccounts
Amortization of discounts on long-term borrowings and acquisition related liabilities		2,815
Amortization of loan origination fees	11	55
Changes in operating assets and liabilities:
Trade accounts receivable, inventories, and other assets	(3,677)	1,017
Accounts payable, accrued liabilities, and accrued warranty reserve	(124)	(1,685)
Deferred revenue	81	(410)
Total adjustments	(3,446)	1,980
Net cash used in operating activities	(2,317)	(2,090)
Cash flows from investing activities:
Proceeds from the sale of property and equipment		130
Acquisitions of property and equipment	(112)	(37)
Net cash (used in) provided by investing activities	(112)	93
Cash flows from financing activities:
Proceeds from warrants exercised	2,494us-gaap_ProceedsFromWarrantExercises
Proceeds from exercise of stock options and purchases through employee stock purchase plan	2	1
Payments on other borrowings		(14)us-gaap_RepaymentsOfOtherDebt
Net proceeds on credit line borrowings	1,273	1,109
Net cash provided by financing activities	3,769	1,096
Effect of exchange rate changes on cash	(2)	1
Net increase (decrease) in cash and cash equivalents	1,338	(900)
Cash and cash equivalents, beginning of period	7,531	2,860
Cash and cash equivalents, end of period	8,869	1,960
Classification of cash and cash equivalents:
Cash and cash equivalents	8,472us-gaap_Cash	1,497us-gaap_Cash
Restricted cash held	97	63
Cash held in escrow	300us-gaap_EscrowDeposit	400us-gaap_EscrowDeposit
Cash and cash equivalents, end of period	8,869	1,960
Supplemental information - non-cash financing activities:
Conversion of subordinated convertible debt to equity, net of discount amortization		3,858
Customer-Related Intangible Assets [Member]
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Amortization of intangible assets		$ 14

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-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.1)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

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