CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
CASH FLOWS PROVIDED BY (USED IN) OPERATING ACTIVITIES:
Net loss	$ (8,327)	$ (9,782)	$ (3,134)
Adjustments to reconcile net loss to net cash flows provided by (used in) operating activities:
Depreciation and amortization	2,278	2,101	708
Non-cash, stock based compensation	731	1,010	(14)
Provision for losses on doubtful accounts	2,468	1,738	28
Provision for losses on inventory obsolescence	129	48	100
Preferred stock revaluation	0	6,066	0
Warrant revaluation	(2,200)	0	0
Loss on sale of fixed assets	23	0	0
Long term deferred income taxes	(25)	(133)	26
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(2,913)	(2,212)	44
Inventories	(1,373)	(620)	(3)
Prepaid expenses and other current assets	(209)	243	95
Accounts payable	(576)	1,028	364
Accrued liabilities	96	332	92
Other long term liabilities	(306)	401	(24)
Net cash flows provided by (used in) operating activities	(10,204)	220	(1,718)
CASH FLOWS USED IN INVESTING ACTIVITIES:
Acquisitions	3,551	0	6,000
Purchase of property and equipment	(882)	(231)	(192)
Purchase of short term investments	(8,994)	0	0
Proceeds from the sale of short term investments	8,994	0	0
Change in other assets	(445)	(277)	(34)
Net cash flows used in investing activities	(4,878)	(508)	(6,226)
CASH FLOWS PROVIDED BY FINANCING ACTIVITIES:
Issuance of preferred stock and related warrants, net	0	0	5,791
Proceeds from note payable	0	3,000	0
Principal payments on capital lease obligations	(328)	(391)	(72)
Issuance of common stock and related warrants, net	17,483	24	42
Principal payments on note payable	(2,551)	(907)	0
Net cash flows provided by financing activities	14,604	1,726	5,761
EFFECT OF FOREIGN CURRENCY EXCHANGE RATE CHANGES ON CASH	29	54	(5)
NET CHANGE IN CASH AND CASH EQUIVALENTS	(449)	1,492	(2,188)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	4,946	3,454	5,642
CASH AND CASH EQUIVALENTS AT END OF PERIOD	4,497	4,946	3,454
Cash paid during the period for:
Interest	964	732	7
Income taxes, net	123	108	29
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION
Acquisition of equipment through capital leases	175	756	394
Dividends accrued on preferred stock	660	600	0
Note payable converted to Equity	3,000	0	0
Acquisition of intangibles	849	0
Common stock issued for elimination of derivatives on preferred stock	0	300	0
Goodwill purchase price adjustment	$ 0	$ 165	$ 0