Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 14,432	$ 17,926
Accounts receivable, net	4,733	4,648
Inventories	2,875	2,898
Prepaid expenses and other current assets	1,239	888
Total current assets	23,279	26,360
Property and equipment, net	7,030	6,402
Other assets, net	926	1,382
Total assets	31,235	34,144
Current liabilities:
Accounts payable	4,004	3,154
Accrued liabilities and current portion of long-term liabilities	9,185	8,539
Current portion of income taxes payable	187	197
Short-term line of credit	3,000	3,000
Total current liabilities	16,376	14,890
Long-term liabilities, net of current portion	919	1,476
Income taxes payable, net of current portion	2,079	2,094
Total liabilities	$ 19,374	$ 18,460
Commitments and contingencies (Note 9)
Shareholders’ equity:
Preferred stock	$ 0	$ 0
Common stock	371,590	369,253
Accumulated other comprehensive income	11	11
Accumulated deficit	(359,740)	(353,580)
Total shareholders’ equity	11,861	15,684
Total liabilities and shareholders’ equity	$ 31,235	$ 34,144

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due after one year (or beyond the operating cycle if longer), including liabilities for compensation costs, fringe benefits other than pension and postretirement obligations, rent, contractual rights and obligations, and statutory obligations.

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Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).