CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 2,600	$ 2,530
Accounts receivable (net of allowance for doubtful accounts of $71; $36 in 2016)	1,144	1,247
Inventory – equipment	264	263
Other current assets	366	393
Total current assets	4,374	4,433
Property and equipment, net	124	156
Identifiable intangible assets, net	3,999	4,122
Goodwill	6,158	6,158
Other assets	309	275
Total assets	14,964	15,144
Current liabilities:
Accounts payable and accrued liabilities	6,941	6,746
Current portion of related party debt	496	664
Current portion of contingent consideration	465	961
Other current liabilities	145	199
Total current liabilities	8,047	8,570
Non-current portion of related party debt	120	348
Non-current portion of contingent consideration	2,158	1,772
Deferred tax liabilities	960	960
Total liabilities	11,285	11,650
Stockholders’ equity:
Preferred stock, $10.00 par value, authorized 10,000,000 shares; issued and outstanding 569 Class N shares at June 30, 2017 and December 31, 2016	6	6
Common stock, $0.01 par value, authorized 300,000,000 shares; issued and outstanding 28,480,148 shares at June 30, 2017 and 28,470,148 shares at December 31, 2016	285	285
Additional paid-in capital	284,282	284,149
Accumulated deficit	(280,820)	(280,875)
Accumulated other comprehensive loss	(74)	(71)
Total stockholders’ equity	3,679	3,494
Total liabilities and stockholders’ equity	$ 14,964	$ 15,144

The aggregate of amounts due from customers or clients, within one year of the balance sheet date (or one operating cycle, if longer), for goods or services that have been delivered or sold in the normal course of business and an amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date within one year of the balance sheet, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection and net of any write-downs taken for collection uncertainty on the part of the holder, respectively.

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- Definition

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.