UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Cash flows from operating activities:    
Net income (loss) $ 880 $ (1,001)
Less loss from discontinued operations, net of income taxes (492) (1,436)
Income from continuing operations, net of income taxes 1,372 435
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 3,180 2,326
Equity-based compensation expense 1,139 717
Deferred income taxes (200) (2,511)
Bad debt expense 263 268
Inventory reserves 286 613
Gain on sale of cost method investment (1,109)  
Other non-cash expense 54 150
Changes in assets and liabilities, net of effects of acquisitions:    
Accounts and financing receivables 1,321 (1,143)
Inventory 559 (1,539)
Accounts payable, accrued expenses and other liabilities (2,121) 162
Deferred revenues 133 523
Other 181 150
Net cash provided by operating activities 5,058 151
Cash flows from investing activities:    
Net cash paid for acquisition (37,113) (177)
Purchases of property and equipment (968) (599)
Purchases of intangible and other assets (1,648) (1,774)
Proceeds from sale-leaseback of equipment   716
Proceeds from sale of cost basis investment 1,309  
Other   (11)
Net cash used in investing activities (38,420) (1,845)
Cash flows from financing activities:    
Principal payments on debt (942) (6,816)
Principal payments on capital lease obligations (142) (150)
Proceeds from underwritten offering, net of offering costs   27,731
Proceeds from long-term debt 25,000  
Equity-based compensation plan activity 366 (9)
Deferred financing costs (286)  
Proceeds from exercise of warrants   193
Net cash provided by financing activities 23,996 20,949
Cash flows from discontinued operations:    
Cash provided by (used in) operating activities 166 (81)
Cash provided by (used in) investing activities   (10)
Net cash provided by (used in) discontinued operations 166 (91)
Net (decrease) increase in cash and cash equivalents (9,200) 19,164
Cash and cash equivalents at beginning of year 25,603 4,948
Cash and cash equivalents at end of period 16,403 24,112
Supplemental disclosures of cash flow information:    
Cash paid for interest 232 166
Cash paid for income taxes 79 66
Disclosure of non-cash investing and financing activities:    
Deferred payment in connection with acquisition 215  
Note issued in conjunction with disposal of discontinued operations 35  
Non-cash interest 54 26
Capital expenditures in accounts payable 178 85
Acquisition of property under capital lease   716
Common stock issuable in connection with acquisition   $ 925