Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Operating activities:
Net loss	$ (11,300)	$ (2,011)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1,096	1,447
Amortization of debt discounts and financing issuance costs	53
Change in fair value of warrant liability	(335)
Change in fair value of contingent liability	(668)
Provision for doubtful accounts and other adjustments to accounts receivable		(289)
Provision for excess and obsolete inventory	8	34
Loss on disposal of fixed assets	27	1
Non-cash compensation related to stock options, ESPP and restricted stock	1,173	1,627
Change in operating accounts:
Accounts receivable	3,143	500
Income tax receivable	99	697
Inventories	13	(1)
Prepaid expenses and other assets	(173)	(151)
Accounts payable and accrued liabilities	(796)	(1,337)
Deferred revenue	(335)	(848)
Net cash used in operating activities	(7,995)	(331)
Investing activities:
Acquisition of Birdstep Technology, net of cash received	(1,927)
Acquisition of iMobileMagic, net of cash received	(558)
Capital expenditures	(323)	(131)
Proceeds from the sale of short-term investments	4,080
Purchases of short-term investments		(1,199)
Net cash provided by/(used) in investing activities	1,272	(1,330)
Financing activities:
Cash received from stock sale for employee stock purchase plan	13	17
Cash received from related-party notes payable, net of issuance costs ($83)	1,917
Cash received from notes payable, net of issuance costs ($83)	1,917
Cash received from exercise of stock options		10
Net cash provided by financing activities	3,847	27
Net decrease in cash and cash equivalents	(2,876)	(1,634)
Cash and cash equivalents, beginning of period	8,819	10,165
Cash and cash equivalents, end of period	5,943	8,531
Supplemental disclosures of cash flow information:
Cash paid for income taxes	37	16
Supplemental schedule of non-cash investing activity:
Amortization of debt discounts and financing costs	53
Change in unrealized gain on short-term investments	$ 2	$ 1