CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 2,707	$ 3,633
Accounts receivable (net of allowance for doubtful accounts of $31; 2014 - $31)	612	3,043
Deposits	140	173
Inventory - equipment	115	139
Other current assets	492	587
Total current assets	4,066	7,575
Non-current assets:
Inventory - real estate	6,508	6,508
Equity method investments	442	1,134
Property and equipment, net	129	150
Identifiable intangible assets, net	7,354	7,657
Goodwill	8,846	8,846
Total assets	27,345	31,870
Current liabilities:
Accounts payable and accrued liabilities	5,587	7,225
Debt payable to third parties	2,500	525
Debt payable to related party	1,604	2,985
Contingent consideration	513	803
Total current liabilities	10,204	11,538
Non-current liabilities:
Debt payable to third parties	0	2,500
Contingent consideration	3,737	3,395
Deferred tax liabilities	960	960
Total liabilities	$ 14,901	$ 18,393
Commitments and contingencies
Stockholders' equity:
Preferred stock, $10.00 par value, authorized 10,000,000 shares; issued and outstanding 569 Class N shares at June 30, 2015 and 575 Class N shares at December 31, 2014	$ 6	$ 6
Common stock, $0.01 par value, authorized 300,000,000 shares; issued and outstanding 28,467,648 shares at June 30, 2015 and 28,167,408 shares at December 31, 2014	285	282
Additional paid-in capital	283,964	283,691
Accumulated deficit	(271,748)	(270,468)
Accumulated other comprehensive loss	(63)	(34)
Total stockholders' equity	12,444	13,477
Total liabilities and stockholders' equity	$ 27,345	$ 31,870

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.