Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
CURRENT ASSETS
Cash and cash equivalents	$ 33,966	$ 33,689
Accounts receivable (net of allowance for doubtful accounts of $4,479 and $4,180, respectively)	21,556	20,475
Inventories	2,967	2,616
Deferred income tax asset, net	821	821
Other current assets	1,547	1,141
Total current assets	60,857	58,742
PROPERTY AND EQUIPMENT (net of accumulated depreciation of $24,791 and $19,822, respectively)	15,898	15,082
INTANGIBLE ASSETS, NET	3,928	4,212
GOODWILL	2,929	2,929
OTHER ASSETS	129	141
TOTAL ASSETS	83,741	81,106
CURRENT LIABILITIES
Accounts payable	5,026	6,294
Accrued compensation	4,767	3,897
Accrued expenses and other liabilities	1,332	1,208
Short-term portion of equipment capital lease obligations	4,203	3,224
Total current liabilities	15,328	14,623
LONG-TERM LIABILITIES
Long-term portion of equipment capital lease obligations	5,743	5,257
Deferred income tax liability, net	821	821
Total long-term liabilities	6,564	6,078
TOTAL LIABILITIES	$ 21,892	$ 20,701
COMMITMENTS AND CONTINGENCIES (SEE NOTE G)
STOCKHOLDERS' EQUITY
Common stock, $0.001 par value, (100,000,000 shares authorized; 60,598,616 and 60,242,818 shares issued and outstanding, respectively)	$ 61	$ 60
Additional paid-in capital	82,256	79,751
Accumulated deficit	(20,468)	(19,406)
Total stockholders’ equity	61,849	60,405
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 83,741	$ 81,106