Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 8,745	$ 2,205
Accounts receivable, net of allowances for doubtful accounts and other adjustments of $170 (2018) and $221 (2017)	6,182	5,145
Prepaid expenses and other current assets	774	576
Total current assets	15,701	7,926
Equipment and improvements, net	1,060	1,229
Deferred tax assets, net	404	404
Other assets	148	146
Intangible assets, net	359	487
Goodwill	3,685	3,685
Total assets	21,357	13,877
Current liabilities:
Accounts payable	1,315	1,333
Accrued payroll and benefits	1,998	1,994
Related-party notes payable		1,000
Other accrued liabilities	411	416
Deferred revenue	261	73
Total current liabilities	3,985	4,816
Non-current liabilities:
Related-party notes payable, net of discount & issuance costs of $0 (2018) and $0 (2017)	1,200	1,200
Notes payable, net of discount & issuance costs of $312 (2018) and $442 (2017)	1,689	1,558
Warrant liability	9,004
Deferred rent	846	970
Other long term liabilities	649	766
Total non-current liabilities	13,388	4,494
Commitments and contingencies
Stockholders' equity:
Preferred stock, par value $0.001 per share; 5,000,000 shares authorized; 5,500 shares issued (2018 and 2017); 1,370 and 5,500 shares outstanding (2018 and 2017, respectively)
Common stock, par value $0.001 per share; 100,000,000 shares authorized; 25,003,420 and 14,268,765 shares issued and outstanding (2018 and 2017, respectively)	25	14
Additional paid-in capital	241,790	237,486
Accumulated comprehensive deficit	(237,831)	(232,933)
Total stockholders’ equity	3,984	4,567
Total liabilities and stockholders' equity	$ 21,357	$ 13,877