Consolidated Statements of Cash Flows (unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities:
Net loss	$ (5,498)	$ (7,562)
Adjustments to reconcile net loss to net cash used in operating activities:
Adjustment to gain on sale of Portamedic and subsidiary	150	0
Depreciation and amortization	652	1,260
Amortization of deferred financing fees	177	131
Provision for bad debt expense	62	84
Share-based compensation expense	373	213
Impairment of long-lived assets, loss on disposal of fixed assets and other	35	303
Change in assets and liabilities:
Accounts receivable	1,819	2,288
Inventories	22	(58)
Other assets	47	(349)
Accounts payable, accrued expenses and other liabilities	982	(908)
Net cash used in operating activities	(1,179)	(4,598)
Cash flows from investing activities:
Capital expenditures	(423)	(630)
Proceeds from the sale of Portamedic	743	0
Net cash provided by (used in) investing activities	320	(630)
Cash flows from financing activities:
Borrowings under credit facility	0	23,311
Payments under credit facility	0	(20,393)
Payments on capital lease obligations	(2)	(86)
Proceeds related to the exercise of stock options	28	0
Debt financing fees	0	(967)
Net cash provided by (used in) financing activities	26	1,865
Net decrease in cash and cash equivalents	(833)	(3,363)
Cash and cash equivalents at beginning of period	3,970	8,319
Cash and cash equivalents at end of period	3,137	4,956
Supplemental disclosure of non-cash investing activities:
Fixed assets vouchered but not paid	67	170
Fixed assets acquired by capital lease	0	62
Supplemental disclosure of cash paid during period for:
Income taxes	$ 0	$ 52