Consolidated Balance Sheets (unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
CURRENT ASSETS
Cash and cash equivalents	$ 5,385	$ 4,834
Accounts receivable (net of allowance for doubtful accounts of $4,569 and $4,540 respectively)	19,262	18,653
Inventories	2,003	2,301
Deferred income tax asset, net	588	588
Other current assets	909	1,115
Total current assets	28,147	27,491
PROPERTY AND EQUIPMENT (net of accumulated depreciation of $15,629 and $14,478 respectively)	11,472	9,694
INTANGIBLE ASSETS (net of accumulated amortization of $461 and $405, respectively)	2,521	2,577
OTHER ASSETS	179	154
TOTAL ASSETS	42,319	39,916
CURRENT LIABILITIES
Accounts payable	4,701	4,177
Accrued compensation	2,210	2,337
Other accrued expenses and liabilities	461	741
Short-term portion of equipment capital leases	2,991	2,786
Revolving credit line	4,864	4,282
Total current liabilities	15,227	14,323
LONG TERM LIABILITIES
Long-term portion of equipment capital leases	4,009	3,294
Deferred income tax liability, net	588	588
Total long term liabilities	4,597	3,882
TOTAL LIABILITIES	19,824	18,205
Commitments
STOCKHOLDERS' EQUITY
Common stock, $.001 par value, (100,000,000 shares authorized; 49,673,909 and 49,118,373 shares issued and outstanding at March 31, 2014 and December 31, 2013, respectively)	50	49
Additional paid-in capital	42,880	42,200
Accumulated deficit	(20,435)	(20,538)
Total stockholders' equity	22,495	21,711
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 42,319	$ 39,916