Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 8,025	$ 17,861
Trade accounts receivable, net of allowance for doubtful accounts of $232 and $233, respectively	9,223	10,563
Inventories	7,721	6,520
Prepaid expenses and other current assets	905	677
Total current assets	25,874	35,621
Property and equipment:
Machinery and equipment	5,294	5,166
Leasehold improvements	2,357	2,341
Gross property and equipment	7,651	7,507
Less: accumulated depreciation	(5,228)	(4,790)
Net property and equipment	2,423	2,717
Right-of-use assets, net	5,138
Goodwill	13,738	13,738
Intangible assets, net	13,967	14,911
Restricted certificates of deposit	140	175
Other assets	25	25
Total assets	61,305	67,187
Current liabilities:
Accounts payable	2,728	1,787
Accrued wages and benefits	1,948	2,921
Accrued professional fees	963	774
Customer deposits and deferred revenue	738	1,258
Accrued sales commission	444	703
Current portion of operating lease liabilities	1,317
Domestic and foreign income taxes payable	868	700
Earnout payable		12,167
Other current liabilities	590	1,108
Total current liabilities	9,596	21,418
Operating lease liabilities, net of current portion	4,095
Contingent liability for repayment of state and local grant funds received	463	200
Deferred tax liabilities	2,382	2,689
Total liabilities	16,536	24,307
Commitments and Contingencies
Stockholders' equity:
Preferred stock, $0.01 par value; 5,000,000 shares authorized; no shares issued or outstanding
Common stock, $0.01 par value; 20,000,000 shares authorized; 10,604,132 and 10,523,035 shares issued, respectively	106	105
Additional paid-in capital	26,971	26,513
Retained earnings	17,281	15,683
Accumulated other comprehensive earnings	615	783
Treasury stock, at cost; 33,077 shares	(204)	(204)
Total stockholders' equity	44,769	42,880
Total liabilities and stockholders' equity	$ 61,305	$ 67,187