Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Operating activities:
Net loss	$ (6,501)	$ (11,618)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	694	1,096
Amortization of debt discounts and financing issuance costs	394	36
Restructuring costs	(146)
Change in carrying value of contingent liability		(668)
Loss on related party debt extinguishment	405
Provision for doubtful accounts and other adjustments to accounts receivable	78
Provision for excess and obsolete inventory		8
(Gain) loss on disposal of fixed assets	(6)	27
Stock based compensation	1,002	1,173
Change in operating accounts:
Accounts receivable	(325)	3,143
Income tax receivable		99
Inventories	(4)	13
Prepaid expenses and other assets	11	(173)
Accounts payable and accrued liabilities	(1,564)	(796)
Deferred revenue	269	(335)
Net cash used in operating activities	(5,693)	(7,995)
Investing activities:
Acquisition of Birdstep Technology, net of cash received		(1,927)
Acquisition of iMobileMagic, net of cash received		(558)
Capital expenditures	(68)	(323)
Proceeds from the sale of short-term investments		4,080
Net cash (used in) provided by investing activities	(68)	1,272
Financing activities:
Cash received from stock sale for employee stock purchase plan	2	13
Cash received from common stock offering, net of expenses	2,056
Cash received from preferred stock and warrant offering, net of expenses	2,413
Cash received from related-party short-term notes payable	3,000
Cash received from related-party long-term notes payable, net of issuance costs ($83)		1,917
Cash received from long-term notes payable, net of issuance costs ($83)		1,917
Net cash provided by financing activities	7,471	3,847
Net increase (decrease) in cash and cash equivalents	1,710	(2,876)
Cash and cash equivalents, beginning of period	2,229	8,819
Cash and cash equivalents, end of period	3,939	5,943
Supplemental disclosures of cash flow information:
Cash paid for income taxes	5	37
Cash paid for interest expense	552
Supplemental schedule of non-cash investing and financing activities:
Issuance of common stock warrants in connection with stock offering	64
Change in unrealized gain on short-term investments		$ 2
Issuance of preferred stock for the settlement of sr. subordinated debt	2,697
Reclassification of warrant liability upon adoption of ASU 2017-11	$ 1,761